./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC --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 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:36:30,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:36:30,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 23:36:30,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:36:30,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:36:30,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:36:30,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:36:30,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:36:30,553 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:36:30,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:36:30,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:36:30,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:36:30,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:36:30,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:36:30,554 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:36:30,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:36:30,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:36:30,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:36:30,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:36:30,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:36:30,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:36:30,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:36:30,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:36:30,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:36:30,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:36:30,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:36:30,556 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:36:30,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:36:30,556 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:36:30,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:36:30,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:36:30,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:36:30,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:36:30,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:36:30,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:36:30,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:36:30,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:36:30,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:36:30,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:36:30,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:36:30,558 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:36:30,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:36:30,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:36:30,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:36:30,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:36:30,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:36:30,559 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:36:30,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:36:30,559 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_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC 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 -> 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e [2024-11-23 23:36:30,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:36:30,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:36:30,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:36:30,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:36:30,902 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:36:30,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-23 23:36:33,895 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/597275a55/649f6f873918409ca681304494eb4ed3/FLAGd79f7ad56 [2024-11-23 23:36:34,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:36:34,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-23 23:36:34,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/597275a55/649f6f873918409ca681304494eb4ed3/FLAGd79f7ad56 [2024-11-23 23:36:34,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/597275a55/649f6f873918409ca681304494eb4ed3 [2024-11-23 23:36:34,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:36:34,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:36:34,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:36:34,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:36:34,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:36:34,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:34,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41458427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34, skipping insertion in model container [2024-11-23 23:36:34,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:34,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:36:34,676 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_a223c965-4182-40bf-a250-7300b4e35049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-23 23:36:34,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:36:34,792 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:36:34,809 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_a223c965-4182-40bf-a250-7300b4e35049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-23 23:36:34,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:36:34,892 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:36:34,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34 WrapperNode [2024-11-23 23:36:34,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:36:34,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:36:34,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:36:34,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:36:34,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:34,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:34,974 INFO L138 Inliner]: procedures = 29, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 554 [2024-11-23 23:36:34,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:36:34,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:36:34,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:36:34,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:36:34,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:34,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:34,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,020 INFO L175 MemorySlicer]: Split 135 memory accesses to 17 slices as follows [2, 5, 9, 13, 8, 6, 8, 8, 8, 8, 14, 4, 6, 6, 14, 8, 8]. 10 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-23 23:36:35,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,040 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,042 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:36:35,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:36:35,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:36:35,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:36:35,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (1/1) ... [2024-11-23 23:36:35,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:36:35,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:36:35,115 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:36:35,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:36:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:36:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 23:36:35,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-23 23:36:35,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-23 23:36:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-23 23:36:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-23 23:36:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-23 23:36:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-23 23:36:35,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-23 23:36:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-23 23:36:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-23 23:36:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-23 23:36:35,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-23 23:36:35,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-23 23:36:35,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-23 23:36:35,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-23 23:36:35,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 23:36:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-23 23:36:35,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-23 23:36:35,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#16 [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:36:35,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:36:35,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-23 23:36:35,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:36:35,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:36:35,462 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:36:35,464 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:36:36,306 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-23 23:36:36,308 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:36:36,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:36:36,328 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:36:36,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:36 BoogieIcfgContainer [2024-11-23 23:36:36,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:36:36,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:36:36,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:36:36,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:36:36,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:36:34" (1/3) ... [2024-11-23 23:36:36,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316693ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:36:36, skipping insertion in model container [2024-11-23 23:36:36,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:34" (2/3) ... [2024-11-23 23:36:36,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@316693ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:36:36, skipping insertion in model container [2024-11-23 23:36:36,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:36" (3/3) ... [2024-11-23 23:36:36,344 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-6.i [2024-11-23 23:36:36,360 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:36:36,362 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:36:36,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:36:36,444 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;@66403e58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:36:36,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:36:36,449 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) [2024-11-23 23:36:36,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:36:36,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:36,462 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] [2024-11-23 23:36:36,463 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:36,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:36,472 INFO L85 PathProgramCache]: Analyzing trace with hash 520535558, now seen corresponding path program 1 times [2024-11-23 23:36:36,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:36,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139036505] [2024-11-23 23:36:36,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:36,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-23 23:36:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:36,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139036505] [2024-11-23 23:36:36,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139036505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:36:36,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519193375] [2024-11-23 23:36:36,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:36,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:36:36,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:36:36,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:36:36,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 23:36:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:37,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:36:37,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:36:37,386 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-23 23:36:37,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:36:37,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519193375] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:37,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:36:37,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 23:36:37,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915766550] [2024-11-23 23:36:37,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:37,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:36:37,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:37,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:36:37,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:36:37,421 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) [2024-11-23 23:36:37,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:37,453 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-23 23:36:37,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:36:37,455 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 [2024-11-23 23:36:37,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:37,462 INFO L225 Difference]: With dead ends: 237 [2024-11-23 23:36:37,462 INFO L226 Difference]: Without dead ends: 118 [2024-11-23 23:36:37,466 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 [2024-11-23 23:36:37,469 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 [2024-11-23 23:36:37,474 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] [2024-11-23 23:36:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-23 23:36:37,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-23 23:36:37,524 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) [2024-11-23 23:36:37,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-23 23:36:37,535 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-23 23:36:37,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:37,536 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-23 23:36:37,536 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) [2024-11-23 23:36:37,536 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-23 23:36:37,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:36:37,542 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:37,542 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] [2024-11-23 23:36:37,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-23 23:36:37,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 23:36:37,743 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:37,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:37,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1019917732, now seen corresponding path program 1 times [2024-11-23 23:36:37,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:37,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595286135] [2024-11-23 23:36:37,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:37,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:38,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595286135] [2024-11-23 23:36:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595286135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:36:38,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222555408] [2024-11-23 23:36:38,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:38,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:36:38,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:38,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:36:38,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:36:38,290 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) [2024-11-23 23:36:38,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:38,395 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-23 23:36:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:36:38,399 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 [2024-11-23 23:36:38,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:38,401 INFO L225 Difference]: With dead ends: 235 [2024-11-23 23:36:38,401 INFO L226 Difference]: Without dead ends: 120 [2024-11-23 23:36:38,401 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 [2024-11-23 23:36:38,402 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 [2024-11-23 23:36:38,404 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] [2024-11-23 23:36:38,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-23 23:36:38,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-23 23:36:38,420 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) [2024-11-23 23:36:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-23 23:36:38,426 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-11-23 23:36:38,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:38,427 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-23 23:36:38,427 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) [2024-11-23 23:36:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-23 23:36:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:36:38,434 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:38,434 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] [2024-11-23 23:36:38,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:36:38,434 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:38,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:38,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1408340890, now seen corresponding path program 1 times [2024-11-23 23:36:38,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:38,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831731474] [2024-11-23 23:36:38,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:38,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:38,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:38,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831731474] [2024-11-23 23:36:38,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831731474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:38,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:38,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:36:38,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955116265] [2024-11-23 23:36:38,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:38,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:36:38,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:38,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:36:38,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:36:38,894 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) [2024-11-23 23:36:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:38,939 INFO L93 Difference]: Finished difference Result 237 states and 345 transitions. [2024-11-23 23:36:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:36:38,940 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 [2024-11-23 23:36:38,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:38,942 INFO L225 Difference]: With dead ends: 237 [2024-11-23 23:36:38,942 INFO L226 Difference]: Without dead ends: 120 [2024-11-23 23:36:38,943 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 [2024-11-23 23:36:38,943 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 [2024-11-23 23:36:38,947 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] [2024-11-23 23:36:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-23 23:36:38,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-23 23:36:38,965 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) [2024-11-23 23:36:38,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 173 transitions. [2024-11-23 23:36:38,968 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 173 transitions. Word has length 158 [2024-11-23 23:36:38,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:38,971 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 173 transitions. [2024-11-23 23:36:38,971 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) [2024-11-23 23:36:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2024-11-23 23:36:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:36:38,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:38,975 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] [2024-11-23 23:36:38,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:36:38,975 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:38,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:38,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1197682664, now seen corresponding path program 1 times [2024-11-23 23:36:38,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:38,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878903821] [2024-11-23 23:36:38,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:38,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:39,480 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-23 23:36:39,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:39,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878903821] [2024-11-23 23:36:39,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878903821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:36:39,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475835857] [2024-11-23 23:36:39,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:39,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:36:39,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:36:39,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:36:39,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-23 23:36:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:39,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:36:39,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:36:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:39,967 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:36:39,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475835857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:39,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:36:39,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2024-11-23 23:36:39,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299468036] [2024-11-23 23:36:39,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:39,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:36:39,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:39,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:36:39,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:36:39,970 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) [2024-11-23 23:36:40,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:40,017 INFO L93 Difference]: Finished difference Result 239 states and 346 transitions. [2024-11-23 23:36:40,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:36:40,018 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 [2024-11-23 23:36:40,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:40,021 INFO L225 Difference]: With dead ends: 239 [2024-11-23 23:36:40,021 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 23:36:40,022 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 [2024-11-23 23:36:40,026 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 [2024-11-23 23:36:40,027 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] [2024-11-23 23:36:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 23:36:40,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-23 23:36:40,042 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) [2024-11-23 23:36:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 175 transitions. [2024-11-23 23:36:40,046 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 175 transitions. Word has length 158 [2024-11-23 23:36:40,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:40,047 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 175 transitions. [2024-11-23 23:36:40,048 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) [2024-11-23 23:36:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 175 transitions. [2024-11-23 23:36:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 23:36:40,050 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:40,051 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] [2024-11-23 23:36:40,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-23 23:36:40,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:36:40,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:40,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:40,252 INFO L85 PathProgramCache]: Analyzing trace with hash -828455014, now seen corresponding path program 1 times [2024-11-23 23:36:40,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:40,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523576407] [2024-11-23 23:36:40,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:40,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:40,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:40,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523576407] [2024-11-23 23:36:40,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523576407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:40,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:40,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:36:40,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556330501] [2024-11-23 23:36:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:40,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:36:40,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:40,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:36:40,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:36:40,723 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) [2024-11-23 23:36:40,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:40,772 INFO L93 Difference]: Finished difference Result 241 states and 347 transitions. [2024-11-23 23:36:40,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:36:40,772 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 [2024-11-23 23:36:40,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:40,775 INFO L225 Difference]: With dead ends: 241 [2024-11-23 23:36:40,776 INFO L226 Difference]: Without dead ends: 122 [2024-11-23 23:36:40,777 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 [2024-11-23 23:36:40,779 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:40,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 491 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:36:40,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-23 23:36:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-23 23:36:40,795 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) [2024-11-23 23:36:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2024-11-23 23:36:40,797 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 160 [2024-11-23 23:36:40,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:40,797 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2024-11-23 23:36:40,797 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) [2024-11-23 23:36:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2024-11-23 23:36:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 23:36:40,802 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:40,802 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] [2024-11-23 23:36:40,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:36:40,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:40,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:40,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1878164380, now seen corresponding path program 1 times [2024-11-23 23:36:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:40,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068799850] [2024-11-23 23:36:40,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:42,883 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:42,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:42,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068799850] [2024-11-23 23:36:42,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068799850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:42,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:42,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 23:36:42,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062006021] [2024-11-23 23:36:42,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:42,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:36:42,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:42,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:36:42,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:36:42,885 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-23 23:36:43,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:43,596 INFO L93 Difference]: Finished difference Result 342 states and 488 transitions. [2024-11-23 23:36:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:36:43,596 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 160 [2024-11-23 23:36:43,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:43,598 INFO L225 Difference]: With dead ends: 342 [2024-11-23 23:36:43,598 INFO L226 Difference]: Without dead ends: 223 [2024-11-23 23:36:43,599 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:36:43,600 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 295 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:43,600 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1386 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:36:43,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-23 23:36:43,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2024-11-23 23:36:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 187 states have (on average 1.3529411764705883) internal successors, (253), 188 states have internal predecessors, (253), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-23 23:36:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 313 transitions. [2024-11-23 23:36:43,620 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 313 transitions. Word has length 160 [2024-11-23 23:36:43,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:43,620 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 313 transitions. [2024-11-23 23:36:43,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-23 23:36:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 313 transitions. [2024-11-23 23:36:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 23:36:43,622 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:43,622 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] [2024-11-23 23:36:43,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-23 23:36:43,622 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:43,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash 752129283, now seen corresponding path program 1 times [2024-11-23 23:36:43,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:43,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015638816] [2024-11-23 23:36:43,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:46,446 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:46,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:46,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015638816] [2024-11-23 23:36:46,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015638816] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:46,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:46,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-23 23:36:46,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521724620] [2024-11-23 23:36:46,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:46,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:36:46,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:46,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:36:46,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:36:46,449 INFO L87 Difference]: Start difference. First operand 220 states and 313 transitions. Second operand has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (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) [2024-11-23 23:36:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:49,608 INFO L93 Difference]: Finished difference Result 723 states and 1025 transitions. [2024-11-23 23:36:49,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:36:49,609 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (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 [2024-11-23 23:36:49,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:49,613 INFO L225 Difference]: With dead ends: 723 [2024-11-23 23:36:49,613 INFO L226 Difference]: Without dead ends: 506 [2024-11-23 23:36:49,614 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:36:49,615 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 378 mSDsluCounter, 1015 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:49,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1169 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-23 23:36:49,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-23 23:36:49,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 441. [2024-11-23 23:36:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 376 states have (on average 1.3484042553191489) internal successors, (507), 378 states have internal predecessors, (507), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:36:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 627 transitions. [2024-11-23 23:36:49,683 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 627 transitions. Word has length 160 [2024-11-23 23:36:49,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:49,684 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 627 transitions. [2024-11-23 23:36:49,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (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) [2024-11-23 23:36:49,684 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 627 transitions. [2024-11-23 23:36:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 23:36:49,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:49,686 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] [2024-11-23 23:36:49,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-23 23:36:49,687 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:49,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash 76146487, now seen corresponding path program 1 times [2024-11-23 23:36:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:49,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697114302] [2024-11-23 23:36:49,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:49,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:50,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:50,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697114302] [2024-11-23 23:36:50,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697114302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:50,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:50,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:36:50,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098631556] [2024-11-23 23:36:50,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:50,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:36:50,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:50,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:36:50,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:36:50,837 INFO L87 Difference]: Start difference. First operand 441 states and 627 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 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) [2024-11-23 23:36:51,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:51,389 INFO L93 Difference]: Finished difference Result 1104 states and 1565 transitions. [2024-11-23 23:36:51,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:36:51,390 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 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 [2024-11-23 23:36:51,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:51,398 INFO L225 Difference]: With dead ends: 1104 [2024-11-23 23:36:51,398 INFO L226 Difference]: Without dead ends: 666 [2024-11-23 23:36:51,399 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:36:51,400 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 233 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:51,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1001 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:36:51,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2024-11-23 23:36:51,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 560. [2024-11-23 23:36:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 475 states have (on average 1.343157894736842) internal successors, (638), 477 states have internal predecessors, (638), 79 states have call successors, (79), 5 states have call predecessors, (79), 5 states have return successors, (79), 77 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-23 23:36:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 796 transitions. [2024-11-23 23:36:51,493 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 796 transitions. Word has length 161 [2024-11-23 23:36:51,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:51,494 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 796 transitions. [2024-11-23 23:36:51,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 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) [2024-11-23 23:36:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 796 transitions. [2024-11-23 23:36:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 23:36:51,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:51,497 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] [2024-11-23 23:36:51,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-23 23:36:51,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:51,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:51,498 INFO L85 PathProgramCache]: Analyzing trace with hash -83613706, now seen corresponding path program 1 times [2024-11-23 23:36:51,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:51,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80780118] [2024-11-23 23:36:51,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:51,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:52,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:52,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80780118] [2024-11-23 23:36:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80780118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:52,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:52,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:36:52,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475291668] [2024-11-23 23:36:52,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:52,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:36:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:52,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:36:52,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:36:52,420 INFO L87 Difference]: Start difference. First operand 560 states and 796 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) [2024-11-23 23:36:52,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:52,950 INFO L93 Difference]: Finished difference Result 1347 states and 1901 transitions. [2024-11-23 23:36:52,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:36:52,955 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 [2024-11-23 23:36:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:52,962 INFO L225 Difference]: With dead ends: 1347 [2024-11-23 23:36:52,962 INFO L226 Difference]: Without dead ends: 898 [2024-11-23 23:36:52,963 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-23 23:36:52,965 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 270 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:52,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 816 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-23 23:36:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-23 23:36:53,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 801. [2024-11-23 23:36:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 684 states have (on average 1.3362573099415205) internal successors, (914), 687 states have internal predecessors, (914), 109 states have call successors, (109), 7 states have call predecessors, (109), 7 states have return successors, (109), 106 states have call predecessors, (109), 109 states have call successors, (109) [2024-11-23 23:36:53,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1132 transitions. [2024-11-23 23:36:53,075 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1132 transitions. Word has length 161 [2024-11-23 23:36:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:53,077 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1132 transitions. [2024-11-23 23:36:53,077 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) [2024-11-23 23:36:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1132 transitions. [2024-11-23 23:36:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 23:36:53,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:53,079 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] [2024-11-23 23:36:53,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-23 23:36:53,079 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:53,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:53,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1772557448, now seen corresponding path program 1 times [2024-11-23 23:36:53,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:53,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894131389] [2024-11-23 23:36:53,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:53,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:53,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:53,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894131389] [2024-11-23 23:36:53,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894131389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:53,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:53,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:36:53,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654944245] [2024-11-23 23:36:53,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:53,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:36:53,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:53,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:36:53,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:36:53,715 INFO L87 Difference]: Start difference. First operand 801 states and 1132 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) [2024-11-23 23:36:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:53,911 INFO L93 Difference]: Finished difference Result 2155 states and 3049 transitions. [2024-11-23 23:36:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:36:53,912 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 [2024-11-23 23:36:53,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:53,922 INFO L225 Difference]: With dead ends: 2155 [2024-11-23 23:36:53,923 INFO L226 Difference]: Without dead ends: 1496 [2024-11-23 23:36:53,925 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 [2024-11-23 23:36:53,926 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 164 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1348 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:53,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1348 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:36:53,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2024-11-23 23:36:54,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1470. [2024-11-23 23:36:54,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1257 states have (on average 1.334128878281623) internal successors, (1677), 1263 states have internal predecessors, (1677), 199 states have call successors, (199), 13 states have call predecessors, (199), 13 states have return successors, (199), 193 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-23 23:36:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 2075 transitions. [2024-11-23 23:36:54,109 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 2075 transitions. Word has length 161 [2024-11-23 23:36:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:54,110 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 2075 transitions. [2024-11-23 23:36:54,110 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) [2024-11-23 23:36:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 2075 transitions. [2024-11-23 23:36:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 23:36:54,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:54,114 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] [2024-11-23 23:36:54,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-23 23:36:54,115 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:54,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:54,115 INFO L85 PathProgramCache]: Analyzing trace with hash -761440198, now seen corresponding path program 1 times [2024-11-23 23:36:54,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:54,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151389899] [2024-11-23 23:36:54,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:54,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:55,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:55,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151389899] [2024-11-23 23:36:55,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151389899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:55,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:55,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:36:55,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011749624] [2024-11-23 23:36:55,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:55,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:36:55,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:55,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:36:55,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:36:55,040 INFO L87 Difference]: Start difference. First operand 1470 states and 2075 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 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) [2024-11-23 23:36:55,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:55,698 INFO L93 Difference]: Finished difference Result 2752 states and 3877 transitions. [2024-11-23 23:36:55,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:36:55,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 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 [2024-11-23 23:36:55,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:55,709 INFO L225 Difference]: With dead ends: 2752 [2024-11-23 23:36:55,709 INFO L226 Difference]: Without dead ends: 1651 [2024-11-23 23:36:55,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:36:55,713 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 363 mSDsluCounter, 873 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:55,714 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 1041 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-23 23:36:55,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2024-11-23 23:36:55,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1461. [2024-11-23 23:36:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1248 states have (on average 1.3317307692307692) internal successors, (1662), 1254 states have internal predecessors, (1662), 199 states have call successors, (199), 13 states have call predecessors, (199), 13 states have return successors, (199), 193 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-23 23:36:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2060 transitions. [2024-11-23 23:36:55,893 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2060 transitions. Word has length 161 [2024-11-23 23:36:55,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:55,894 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2060 transitions. [2024-11-23 23:36:55,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 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) [2024-11-23 23:36:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2060 transitions. [2024-11-23 23:36:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 23:36:55,897 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:55,897 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] [2024-11-23 23:36:55,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-23 23:36:55,897 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:55,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:55,898 INFO L85 PathProgramCache]: Analyzing trace with hash -217627212, now seen corresponding path program 1 times [2024-11-23 23:36:55,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:55,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109384574] [2024-11-23 23:36:55,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:56,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:56,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109384574] [2024-11-23 23:36:56,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109384574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:56,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:56,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:36:56,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171152555] [2024-11-23 23:36:56,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:56,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:36:56,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:56,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:36:56,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:36:56,942 INFO L87 Difference]: Start difference. First operand 1461 states and 2060 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 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) [2024-11-23 23:36:57,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:36:57,733 INFO L93 Difference]: Finished difference Result 2596 states and 3657 transitions. [2024-11-23 23:36:57,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:36:57,734 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 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 [2024-11-23 23:36:57,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:36:57,743 INFO L225 Difference]: With dead ends: 2596 [2024-11-23 23:36:57,743 INFO L226 Difference]: Without dead ends: 1711 [2024-11-23 23:36:57,746 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-23 23:36:57,747 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 164 mSDsluCounter, 884 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:36:57,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1035 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:36:57,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2024-11-23 23:36:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1465. [2024-11-23 23:36:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 1252 states have (on average 1.3306709265175718) internal successors, (1666), 1258 states have internal predecessors, (1666), 199 states have call successors, (199), 13 states have call predecessors, (199), 13 states have return successors, (199), 193 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-23 23:36:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 2064 transitions. [2024-11-23 23:36:58,003 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 2064 transitions. Word has length 161 [2024-11-23 23:36:58,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:36:58,003 INFO L471 AbstractCegarLoop]: Abstraction has 1465 states and 2064 transitions. [2024-11-23 23:36:58,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 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) [2024-11-23 23:36:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2064 transitions. [2024-11-23 23:36:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-23 23:36:58,006 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:36:58,006 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] [2024-11-23 23:36:58,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-23 23:36:58,007 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:36:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:36:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash -895453704, now seen corresponding path program 1 times [2024-11-23 23:36:58,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:36:58,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739138666] [2024-11-23 23:36:58,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:36:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:36:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:36:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:36:59,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:36:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739138666] [2024-11-23 23:36:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739138666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:36:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:36:59,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:36:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170832499] [2024-11-23 23:36:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:36:59,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:36:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:36:59,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:36:59,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:36:59,042 INFO L87 Difference]: Start difference. First operand 1465 states and 2064 transitions. Second operand has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 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) [2024-11-23 23:37:00,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:00,138 INFO L93 Difference]: Finished difference Result 3115 states and 4416 transitions. [2024-11-23 23:37:00,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:37:00,139 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 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 [2024-11-23 23:37:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:00,154 INFO L225 Difference]: With dead ends: 3115 [2024-11-23 23:37:00,154 INFO L226 Difference]: Without dead ends: 2237 [2024-11-23 23:37:00,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:37:00,158 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 393 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:00,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1113 Invalid, 515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:37:00,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2237 states. [2024-11-23 23:37:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2237 to 1467. [2024-11-23 23:37:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 1254 states have (on average 1.3293460925039873) internal successors, (1667), 1260 states have internal predecessors, (1667), 199 states have call successors, (199), 13 states have call predecessors, (199), 13 states have return successors, (199), 193 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-23 23:37:00,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2065 transitions. [2024-11-23 23:37:00,363 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2065 transitions. Word has length 161 [2024-11-23 23:37:00,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:00,363 INFO L471 AbstractCegarLoop]: Abstraction has 1467 states and 2065 transitions. [2024-11-23 23:37:00,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 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) [2024-11-23 23:37:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2065 transitions. [2024-11-23 23:37:00,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-23 23:37:00,366 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:00,366 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] [2024-11-23 23:37:00,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-23 23:37:00,367 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:00,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:00,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1627909294, now seen corresponding path program 1 times [2024-11-23 23:37:00,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:00,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280300503] [2024-11-23 23:37:00,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-23 23:37:00,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:00,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280300503] [2024-11-23 23:37:00,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280300503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:00,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199786037] [2024-11-23 23:37:00,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:00,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:00,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:00,614 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:00,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-23 23:37:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:01,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:37:01,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:01,049 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:01,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:01,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199786037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:01,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:37:01,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 23:37:01,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117490011] [2024-11-23 23:37:01,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:01,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:37:01,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:01,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:37:01,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:37:01,052 INFO L87 Difference]: Start difference. First operand 1467 states and 2065 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) [2024-11-23 23:37:01,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:01,253 INFO L93 Difference]: Finished difference Result 2797 states and 3948 transitions. [2024-11-23 23:37:01,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:37:01,254 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 [2024-11-23 23:37:01,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:01,263 INFO L225 Difference]: With dead ends: 2797 [2024-11-23 23:37:01,264 INFO L226 Difference]: Without dead ends: 1503 [2024-11-23 23:37:01,267 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 [2024-11-23 23:37:01,268 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 [2024-11-23 23:37:01,269 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] [2024-11-23 23:37:01,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1503 states. [2024-11-23 23:37:01,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1503 to 1503. [2024-11-23 23:37:01,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1290 states have (on average 1.3201550387596899) internal successors, (1703), 1296 states have internal predecessors, (1703), 199 states have call successors, (199), 13 states have call predecessors, (199), 13 states have return successors, (199), 193 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-23 23:37:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2101 transitions. [2024-11-23 23:37:01,463 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2101 transitions. Word has length 162 [2024-11-23 23:37:01,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:01,463 INFO L471 AbstractCegarLoop]: Abstraction has 1503 states and 2101 transitions. [2024-11-23 23:37:01,464 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) [2024-11-23 23:37:01,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2101 transitions. [2024-11-23 23:37:01,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-23 23:37:01,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:01,467 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] [2024-11-23 23:37:01,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-23 23:37:01,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-23 23:37:01,667 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:01,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:01,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2070884095, now seen corresponding path program 1 times [2024-11-23 23:37:01,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:01,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130548123] [2024-11-23 23:37:01,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:01,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:03,104 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:03,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:03,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130548123] [2024-11-23 23:37:03,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130548123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:03,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:03,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:37:03,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822468759] [2024-11-23 23:37:03,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:03,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:37:03,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:03,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:37:03,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:37:03,107 INFO L87 Difference]: Start difference. First operand 1503 states and 2101 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) [2024-11-23 23:37:03,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:03,975 INFO L93 Difference]: Finished difference Result 3131 states and 4366 transitions. [2024-11-23 23:37:03,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:37:03,976 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 [2024-11-23 23:37:03,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:03,986 INFO L225 Difference]: With dead ends: 3131 [2024-11-23 23:37:03,986 INFO L226 Difference]: Without dead ends: 1801 [2024-11-23 23:37:03,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-23 23:37:03,991 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 309 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:03,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 1253 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:37:03,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2024-11-23 23:37:04,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 1535. [2024-11-23 23:37:04,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1535 states, 1322 states have (on average 1.3139183055975794) internal successors, (1737), 1328 states have internal predecessors, (1737), 199 states have call successors, (199), 13 states have call predecessors, (199), 13 states have return successors, (199), 193 states have call predecessors, (199), 199 states have call successors, (199) [2024-11-23 23:37:04,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2135 transitions. [2024-11-23 23:37:04,141 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2135 transitions. Word has length 162 [2024-11-23 23:37:04,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:04,142 INFO L471 AbstractCegarLoop]: Abstraction has 1535 states and 2135 transitions. [2024-11-23 23:37:04,142 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) [2024-11-23 23:37:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2135 transitions. [2024-11-23 23:37:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-23 23:37:04,144 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:04,145 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] [2024-11-23 23:37:04,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-23 23:37:04,145 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:04,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:04,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1356708316, now seen corresponding path program 1 times [2024-11-23 23:37:04,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:04,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864953064] [2024-11-23 23:37:04,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:04,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:04,821 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:04,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:04,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864953064] [2024-11-23 23:37:04,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864953064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:04,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:04,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:37:04,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587568581] [2024-11-23 23:37:04,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:04,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:37:04,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:04,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:37:04,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:37:04,824 INFO L87 Difference]: Start difference. First operand 1535 states and 2135 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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) [2024-11-23 23:37:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:05,233 INFO L93 Difference]: Finished difference Result 3416 states and 4731 transitions. [2024-11-23 23:37:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-23 23:37:05,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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 [2024-11-23 23:37:05,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:05,245 INFO L225 Difference]: With dead ends: 3416 [2024-11-23 23:37:05,246 INFO L226 Difference]: Without dead ends: 2086 [2024-11-23 23:37:05,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:37:05,250 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 74 mSDsluCounter, 1165 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1380 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:05,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1380 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:37:05,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2024-11-23 23:37:05,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2060. [2024-11-23 23:37:05,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 1811 states have (on average 1.3025952512424075) internal successors, (2359), 1823 states have internal predecessors, (2359), 229 states have call successors, (229), 19 states have call predecessors, (229), 19 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-23 23:37:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2817 transitions. [2024-11-23 23:37:05,409 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2817 transitions. Word has length 163 [2024-11-23 23:37:05,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:05,410 INFO L471 AbstractCegarLoop]: Abstraction has 2060 states and 2817 transitions. [2024-11-23 23:37:05,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 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) [2024-11-23 23:37:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2817 transitions. [2024-11-23 23:37:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-23 23:37:05,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:05,415 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] [2024-11-23 23:37:05,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-23 23:37:05,415 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:05,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:05,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1182811709, now seen corresponding path program 1 times [2024-11-23 23:37:05,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:05,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214640863] [2024-11-23 23:37:05,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:06,906 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: incomplete [2024-11-23 23:37:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:07,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:07,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214640863] [2024-11-23 23:37:07,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214640863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:07,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:07,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-23 23:37:07,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637236227] [2024-11-23 23:37:07,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:07,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-23 23:37:07,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:07,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-23 23:37:07,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2024-11-23 23:37:07,231 INFO L87 Difference]: Start difference. First operand 2060 states and 2817 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 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) [2024-11-23 23:37:08,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:08,328 INFO L93 Difference]: Finished difference Result 3252 states and 4431 transitions. [2024-11-23 23:37:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:37:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 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 [2024-11-23 23:37:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:08,341 INFO L225 Difference]: With dead ends: 3252 [2024-11-23 23:37:08,342 INFO L226 Difference]: Without dead ends: 2612 [2024-11-23 23:37:08,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=119, Invalid=481, Unknown=0, NotChecked=0, Total=600 [2024-11-23 23:37:08,345 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 337 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:08,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1809 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:37:08,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2024-11-23 23:37:08,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2088. [2024-11-23 23:37:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2088 states, 1839 states have (on average 1.3012506797172376) internal successors, (2393), 1851 states have internal predecessors, (2393), 229 states have call successors, (229), 19 states have call predecessors, (229), 19 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-23 23:37:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2088 states to 2088 states and 2851 transitions. [2024-11-23 23:37:08,518 INFO L78 Accepts]: Start accepts. Automaton has 2088 states and 2851 transitions. Word has length 163 [2024-11-23 23:37:08,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:08,520 INFO L471 AbstractCegarLoop]: Abstraction has 2088 states and 2851 transitions. [2024-11-23 23:37:08,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 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) [2024-11-23 23:37:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2851 transitions. [2024-11-23 23:37:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-23 23:37:08,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:08,523 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] [2024-11-23 23:37:08,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-23 23:37:08,524 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:08,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:08,525 INFO L85 PathProgramCache]: Analyzing trace with hash 740416325, now seen corresponding path program 1 times [2024-11-23 23:37:08,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:08,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422777007] [2024-11-23 23:37:08,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:08,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:08,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:08,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422777007] [2024-11-23 23:37:08,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422777007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:08,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:08,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:37:08,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177539777] [2024-11-23 23:37:08,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:08,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:37:08,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:08,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:37:08,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:37:08,903 INFO L87 Difference]: Start difference. First operand 2088 states and 2851 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) [2024-11-23 23:37:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:09,071 INFO L93 Difference]: Finished difference Result 2686 states and 3683 transitions. [2024-11-23 23:37:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:37:09,071 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 [2024-11-23 23:37:09,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:09,080 INFO L225 Difference]: With dead ends: 2686 [2024-11-23 23:37:09,080 INFO L226 Difference]: Without dead ends: 2026 [2024-11-23 23:37:09,082 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 [2024-11-23 23:37:09,083 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:09,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 469 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:37:09,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2026 states. [2024-11-23 23:37:09,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2026 to 2026. [2024-11-23 23:37:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2026 states, 1777 states have (on average 1.2960045019696118) internal successors, (2303), 1789 states have internal predecessors, (2303), 229 states have call successors, (229), 19 states have call predecessors, (229), 19 states have return successors, (229), 217 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-23 23:37:09,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 2026 states and 2761 transitions. [2024-11-23 23:37:09,245 INFO L78 Accepts]: Start accepts. Automaton has 2026 states and 2761 transitions. Word has length 163 [2024-11-23 23:37:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:09,245 INFO L471 AbstractCegarLoop]: Abstraction has 2026 states and 2761 transitions. [2024-11-23 23:37:09,249 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) [2024-11-23 23:37:09,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2761 transitions. [2024-11-23 23:37:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-23 23:37:09,252 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:09,252 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] [2024-11-23 23:37:09,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-23 23:37:09,252 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:09,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:09,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1379340570, now seen corresponding path program 1 times [2024-11-23 23:37:09,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:09,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341054261] [2024-11-23 23:37:09,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:09,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:09,843 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 33 proven. 21 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-23 23:37:09,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:09,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341054261] [2024-11-23 23:37:09,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341054261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:09,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780198800] [2024-11-23 23:37:09,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:09,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:09,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:09,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:09,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-23 23:37:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:10,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-23 23:37:10,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:11,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2024-11-23 23:37:12,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:37:12,664 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-23 23:37:12,665 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:37:13,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780198800] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:13,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:37:13,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-23 23:37:13,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599405218] [2024-11-23 23:37:13,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:37:13,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 23:37:13,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:13,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 23:37:13,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-23 23:37:13,099 INFO L87 Difference]: Start difference. First operand 2026 states and 2761 transitions. Second operand has 17 states, 15 states have (on average 8.266666666666667) internal successors, (124), 14 states have internal predecessors, (124), 6 states have call successors, (38), 4 states have call predecessors, (38), 5 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-23 23:37:14,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:14,257 INFO L93 Difference]: Finished difference Result 4105 states and 5612 transitions. [2024-11-23 23:37:14,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-23 23:37:14,258 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.266666666666667) internal successors, (124), 14 states have internal predecessors, (124), 6 states have call successors, (38), 4 states have call predecessors, (38), 5 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) Word has length 163 [2024-11-23 23:37:14,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:14,268 INFO L225 Difference]: With dead ends: 4105 [2024-11-23 23:37:14,268 INFO L226 Difference]: Without dead ends: 2287 [2024-11-23 23:37:14,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2024-11-23 23:37:14,272 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 329 mSDsluCounter, 1823 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:14,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 2021 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:37:14,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2024-11-23 23:37:14,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2243. [2024-11-23 23:37:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2243 states, 1950 states have (on average 1.298974358974359) internal successors, (2533), 1962 states have internal predecessors, (2533), 267 states have call successors, (267), 25 states have call predecessors, (267), 25 states have return successors, (267), 255 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:37:14,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 2243 states and 3067 transitions. [2024-11-23 23:37:14,528 INFO L78 Accepts]: Start accepts. Automaton has 2243 states and 3067 transitions. Word has length 163 [2024-11-23 23:37:14,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:14,529 INFO L471 AbstractCegarLoop]: Abstraction has 2243 states and 3067 transitions. [2024-11-23 23:37:14,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.266666666666667) internal successors, (124), 14 states have internal predecessors, (124), 6 states have call successors, (38), 4 states have call predecessors, (38), 5 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-23 23:37:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 3067 transitions. [2024-11-23 23:37:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 23:37:14,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:14,536 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] [2024-11-23 23:37:14,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-23 23:37:14,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:14,737 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:14,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:14,737 INFO L85 PathProgramCache]: Analyzing trace with hash -608486221, now seen corresponding path program 1 times [2024-11-23 23:37:14,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55798515] [2024-11-23 23:37:14,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:14,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:14,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:14,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55798515] [2024-11-23 23:37:14,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55798515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:14,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:14,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:37:14,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751917531] [2024-11-23 23:37:14,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:14,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:37:14,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:14,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:37:14,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:37:14,832 INFO L87 Difference]: Start difference. First operand 2243 states and 3067 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) [2024-11-23 23:37:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:15,005 INFO L93 Difference]: Finished difference Result 5255 states and 7155 transitions. [2024-11-23 23:37:15,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:37:15,006 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 [2024-11-23 23:37:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:15,019 INFO L225 Difference]: With dead ends: 5255 [2024-11-23 23:37:15,023 INFO L226 Difference]: Without dead ends: 3228 [2024-11-23 23:37:15,028 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 [2024-11-23 23:37:15,029 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 [2024-11-23 23:37:15,029 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] [2024-11-23 23:37:15,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2024-11-23 23:37:15,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2926. [2024-11-23 23:37:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2633 states have (on average 1.2837067983289023) internal successors, (3380), 2645 states have internal predecessors, (3380), 267 states have call successors, (267), 25 states have call predecessors, (267), 25 states have return successors, (267), 255 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:37:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3914 transitions. [2024-11-23 23:37:15,239 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3914 transitions. Word has length 164 [2024-11-23 23:37:15,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:15,240 INFO L471 AbstractCegarLoop]: Abstraction has 2926 states and 3914 transitions. [2024-11-23 23:37:15,240 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) [2024-11-23 23:37:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3914 transitions. [2024-11-23 23:37:15,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 23:37:15,242 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:15,242 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] [2024-11-23 23:37:15,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-23 23:37:15,243 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:15,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:15,244 INFO L85 PathProgramCache]: Analyzing trace with hash 615473056, now seen corresponding path program 1 times [2024-11-23 23:37:15,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:15,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733541503] [2024-11-23 23:37:15,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:15,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-23 23:37:15,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:37:15,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733541503] [2024-11-23 23:37:15,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733541503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 23:37:15,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990950349] [2024-11-23 23:37:15,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:15,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:15,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:15,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:15,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-23 23:37:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:15,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:37:15,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:15,870 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:15,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990950349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:15,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:37:15,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2024-11-23 23:37:15,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146039331] [2024-11-23 23:37:15,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:15,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:37:15,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:37:15,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:37:15,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:37:15,873 INFO L87 Difference]: Start difference. First operand 2926 states and 3914 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) [2024-11-23 23:37:16,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:16,063 INFO L93 Difference]: Finished difference Result 5582 states and 7515 transitions. [2024-11-23 23:37:16,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:37:16,064 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 [2024-11-23 23:37:16,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:16,122 INFO L225 Difference]: With dead ends: 5582 [2024-11-23 23:37:16,122 INFO L226 Difference]: Without dead ends: 2986 [2024-11-23 23:37:16,133 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 [2024-11-23 23:37:16,134 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 [2024-11-23 23:37:16,134 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] [2024-11-23 23:37:16,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2986 states. [2024-11-23 23:37:16,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2986 to 2986. [2024-11-23 23:37:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2693 states have (on average 1.2773858150761233) internal successors, (3440), 2705 states have internal predecessors, (3440), 267 states have call successors, (267), 25 states have call predecessors, (267), 25 states have return successors, (267), 255 states have call predecessors, (267), 267 states have call successors, (267) [2024-11-23 23:37:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3974 transitions. [2024-11-23 23:37:16,513 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3974 transitions. Word has length 164 [2024-11-23 23:37:16,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:16,514 INFO L471 AbstractCegarLoop]: Abstraction has 2986 states and 3974 transitions. [2024-11-23 23:37:16,514 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) [2024-11-23 23:37:16,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3974 transitions. [2024-11-23 23:37:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-23 23:37:16,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:16,517 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] [2024-11-23 23:37:16,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-23 23:37:16,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-23 23:37:16,718 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:16,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:16,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1553578625, now seen corresponding path program 1 times [2024-11-23 23:37:16,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:37:16,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840819992] [2024-11-23 23:37:16,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:37:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 23:37:16,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [885825974] [2024-11-23 23:37:16,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:16,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 23:37:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:16,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 23:37:16,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-23 23:37:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:37:17,654 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:37:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:37:18,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 23:37:18,511 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 23:37:18,512 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 23:37:18,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-23 23:37:18,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-23 23:37:18,717 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] [2024-11-23 23:37:19,029 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:37:19,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:37:19 BoogieIcfgContainer [2024-11-23 23:37:19,033 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:37:19,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:37:19,035 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:37:19,035 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:37:19,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:36" (3/4) ... [2024-11-23 23:37:19,037 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:37:19,038 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:37:19,039 INFO L158 Benchmark]: Toolchain (without parser) took 44577.45ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 119.3MB in the beginning and 92.0MB in the end (delta: 27.3MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2024-11-23 23:37:19,040 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:37:19,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.78ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 104.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 23:37:19,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.08ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 100.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:37:19,043 INFO L158 Benchmark]: Boogie Preprocessor took 87.05ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 95.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:37:19,043 INFO L158 Benchmark]: RCFGBuilder took 1267.56ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 100.8MB in the end (delta: -5.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-23 23:37:19,043 INFO L158 Benchmark]: TraceAbstraction took 42699.61ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 100.3MB in the beginning and 92.0MB in the end (delta: 8.3MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2024-11-23 23:37:19,043 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 201.3MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 23.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:37:19,044 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.78ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 104.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.08ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 100.7MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 87.05ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 95.2MB in the end (delta: 5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1267.56ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 100.8MB in the end (delta: -5.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * TraceAbstraction took 42699.61ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 100.3MB in the beginning and 92.0MB in the end (delta: 8.3MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 201.3MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 23.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int* var_1_1_Pointer = &(var_1_1); [L24] unsigned short int var_1_4 = 32; [L24] unsigned short int var_1_4 = 32; [L25] unsigned short int* var_1_4_Pointer = &(var_1_4); [L26] unsigned short int var_1_6 = 10; [L26] unsigned short int var_1_6 = 10; [L27] unsigned short int* var_1_6_Pointer = &(var_1_6); [L28] signed long int var_1_7 = 4; [L28] signed long int var_1_7 = 4; [L29] signed long int* var_1_7_Pointer = &(var_1_7); [L30] signed long int var_1_8 = 2; [L30] signed long int var_1_8 = 2; [L31] signed long int* var_1_8_Pointer = &(var_1_8); [L32] double var_1_9 = 0.0; [L32] double var_1_9 = 0.0; [L33] double* var_1_9_Pointer = &(var_1_9); [L34] double var_1_10 = 64.2; [L34] double var_1_10 = 64.2; [L35] double* var_1_10_Pointer = &(var_1_10); [L36] double var_1_11 = 0.0; [L36] double var_1_11 = 0.0; [L37] double* var_1_11_Pointer = &(var_1_11); [L38] double var_1_12 = 0.25; [L38] double var_1_12 = 0.25; [L39] double* var_1_12_Pointer = &(var_1_12); [L40] unsigned short int var_1_13 = 36833; [L40] unsigned short int var_1_13 = 36833; [L41] unsigned short int* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 0; [L42] unsigned char var_1_14 = 0; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] unsigned char var_1_16 = 0; [L44] unsigned char var_1_16 = 0; [L45] unsigned char* var_1_16_Pointer = &(var_1_16); [L46] unsigned char var_1_17 = 0; [L46] unsigned char var_1_17 = 0; [L47] unsigned char* var_1_17_Pointer = &(var_1_17); [L48] signed long int var_1_18 = -32; [L48] signed long int var_1_18 = -32; [L49] signed long int* var_1_18_Pointer = &(var_1_18); [L50] unsigned long int var_1_20 = 50; [L50] unsigned long int var_1_20 = 50; [L51] unsigned long int* var_1_20_Pointer = &(var_1_20); [L52] unsigned long int var_1_21 = 2655070710; [L52] unsigned long int var_1_21 = 2655070710; [L53] unsigned long int* var_1_21_Pointer = &(var_1_21); [L54] unsigned char last_1_var_1_14 = 0; [L55] signed long int last_1_var_1_18 = -32; [L56] unsigned long int last_1_var_1_20 = 50; VAL [isInitial=0, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L126] isInitial = 1 [L127] FCALL initially() [L129] CALL updateLastVariables() [L117] EXPR \read(var_1_14) [L117] last_1_var_1_14 = var_1_14 [L118] EXPR \read(var_1_18) [L118] last_1_var_1_18 = var_1_18 [L119] EXPR \read(var_1_20) [L119] last_1_var_1_20 = var_1_20 [L129] RET updateLastVariables() [L130] CALL updateVariables() [L85] var_1_4 = __VERIFIER_nondet_ushort() [L86] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] CALL assume_abort_if_not(var_1_4 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] RET assume_abort_if_not(var_1_4 <= 65535) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] var_1_7 = __VERIFIER_nondet_long() [L90] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] CALL assume_abort_if_not(var_1_7 <= 17) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] RET assume_abort_if_not(var_1_7 <= 17) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] var_1_8 = __VERIFIER_nondet_long() [L93] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L93] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] CALL assume_abort_if_not(var_1_8 <= 16) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L94] RET assume_abort_if_not(var_1_8 <= 16) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L95] var_1_9 = __VERIFIER_nondet_double() [L96] EXPR \read(var_1_9) [L96] EXPR var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F [L96] EXPR \read(var_1_9) [L96] EXPR var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] EXPR (var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] CALL assume_abort_if_not((var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L96] RET assume_abort_if_not((var_1_9 >= 4611686.018427387900e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L97] var_1_10 = __VERIFIER_nondet_double() [L98] EXPR \read(var_1_10) [L98] EXPR var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F [L98] EXPR \read(var_1_10) [L98] EXPR var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] EXPR (var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L98] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427387900e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L99] var_1_11 = __VERIFIER_nondet_double() [L100] EXPR \read(var_1_11) [L100] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F [L100] EXPR \read(var_1_11) [L100] EXPR var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] EXPR (var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L100] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L101] var_1_12 = __VERIFIER_nondet_double() [L102] EXPR \read(var_1_12) [L102] EXPR var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] EXPR var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F [L102] EXPR \read(var_1_12) [L102] EXPR var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] EXPR (var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] EXPR (var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L102] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L103] var_1_13 = __VERIFIER_nondet_ushort() [L104] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L104] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L104] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L105] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L106] var_1_16 = __VERIFIER_nondet_uchar() [L107] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] EXPR \read(var_1_16) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L108] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L109] var_1_17 = __VERIFIER_nondet_uchar() [L110] EXPR \read(var_1_17) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L110] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L110] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] EXPR \read(var_1_17) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L111] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L112] var_1_21 = __VERIFIER_nondet_ulong() [L113] EXPR \read(var_1_21) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L113] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L113] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L114] EXPR \read(var_1_21) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L114] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L114] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L130] RET updateVariables() [L131] CALL step() [L60] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L60] COND TRUE ((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18 [L61] EXPR \read(*var_1_9_Pointer) [L61] EXPR \read(*var_1_10_Pointer) [L61] EXPR \read(*var_1_11_Pointer) [L61] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L61] COND FALSE !((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) [L67] EXPR \read(*var_1_13_Pointer) [L67] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L67] COND TRUE (*(var_1_13_Pointer)) > (*(var_1_6_Pointer)) [L68] EXPR \read(*var_1_6_Pointer) [L68] EXPR \read(*var_1_13_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] EXPR (((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))) [L68] EXPR \read(*var_1_6_Pointer) [L68] EXPR (((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L68] EXPR \read(*var_1_6_Pointer) [L68] (*(var_1_18_Pointer)) = ((((((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))))) - (*(var_1_6_Pointer))) [L70] COND FALSE !(\read(last_1_var_1_14)) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L73] EXPR \read(*var_1_21_Pointer) [L73] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L73] EXPR ((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer))))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer)))) [L73] EXPR ((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer))))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer)))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L73] (*(var_1_20_Pointer)) = ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer))))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer)))))) [L74] EXPR \read(*var_1_20_Pointer) [L74] unsigned long int stepLocal_1 = (*(var_1_20_Pointer)); [L75] EXPR \read(*var_1_20_Pointer) [L75] unsigned long int stepLocal_0 = (*(var_1_20_Pointer)); [L76] EXPR \read(*var_1_18_Pointer) [L76] EXPR \read(*var_1_18_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L76] EXPR (((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))) [L76] EXPR \read(*var_1_18_Pointer) [L76] EXPR (((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, stepLocal_0=50, stepLocal_1=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L76] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L76] COND FALSE !(((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > stepLocal_1) [L131] RET step() [L132] CALL, EXPR property() [L122] EXPR \read(*var_1_18_Pointer) [L122] EXPR \read(*var_1_18_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))) [L122] EXPR \read(*var_1_18_Pointer) [L122] EXPR (((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR \read(*var_1_4_Pointer) [L122] EXPR \read(*var_1_20_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1 [L122] EXPR (((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1 VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR ((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer))))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR ((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer))))) [L122] EXPR \read(*var_1_4_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))) [L122] EXPR \read(*var_1_9_Pointer) [L122] EXPR \read(*var_1_10_Pointer) [L122] EXPR \read(*var_1_11_Pointer) [L122] EXPR \read(*var_1_12_Pointer) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR ((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1 [L122] EXPR \read(*var_1_6_Pointer) [L122] EXPR \read(*var_1_13_Pointer) [L122] EXPR \read(*var_1_8_Pointer) [L122] EXPR ((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1 VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR ((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer))))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR ((((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1)) && (((*(var_1_13_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_18_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))))) - (*(var_1_6_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR ((((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1)) && (((*(var_1_13_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_18_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))))) - (*(var_1_6_Pointer))))) : 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1)) && (((*(var_1_13_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_18_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))))) - (*(var_1_6_Pointer))))) : 1)) && ((*(var_1_20_Pointer)) == ((unsigned long int) ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer))))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer)))))))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122] EXPR (((((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1)) && (((*(var_1_13_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_18_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))))) - (*(var_1_6_Pointer))))) : 1)) && ((*(var_1_20_Pointer)) == ((unsigned long int) ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer))))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer)))))))) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L122-L123] return (((((((((((*(var_1_18_Pointer))) > ((*(var_1_18_Pointer)))) ? ((*(var_1_18_Pointer))) : ((*(var_1_18_Pointer))))) / (*(var_1_4_Pointer))) > (*(var_1_20_Pointer))) ? (((*(var_1_20_Pointer)) == (*(var_1_18_Pointer))) ? ((*(var_1_1_Pointer)) == ((unsigned long int) 1000000000u)) : ((*(var_1_1_Pointer)) == ((unsigned long int) 128u))) : 1) && ((((*(var_1_4_Pointer)) - last_1_var_1_20) == last_1_var_1_18) ? (((((*(var_1_9_Pointer)) - (*(var_1_10_Pointer))) - (*(var_1_11_Pointer))) > (*(var_1_12_Pointer))) ? ((*(var_1_6_Pointer)) == ((unsigned short int) ((*(var_1_13_Pointer)) - (*(var_1_8_Pointer))))) : 1) : ((*(var_1_6_Pointer)) == ((unsigned short int) (*(var_1_13_Pointer)))))) && (last_1_var_1_14 ? ((*(var_1_14_Pointer)) == ((unsigned char) ((*(var_1_16_Pointer)) && (*(var_1_17_Pointer))))) : 1)) && (((*(var_1_13_Pointer)) > (*(var_1_6_Pointer))) ? ((*(var_1_18_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < ((*(var_1_13_Pointer)))) ? ((*(var_1_6_Pointer))) : ((*(var_1_13_Pointer))))) - (*(var_1_6_Pointer))))) : 1)) && ((*(var_1_20_Pointer)) == ((unsigned long int) ((((((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) < (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer))))) ? (((((last_1_var_1_20) < 0 ) ? -(last_1_var_1_20) : (last_1_var_1_20)))) : (((*(var_1_21_Pointer)) - (*(var_1_7_Pointer)))))))) ; [L132] RET, EXPR property() [L132] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_18=-32, last_1_var_1_20=50, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_16={15:0}, var_1_16_Pointer={15:0}, var_1_17={16:0}, var_1_17_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_20={18:0}, var_1_20_Pointer={18:0}, var_1_21={19:0}, var_1_21_Pointer={19:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.3s, OverallIterations: 22, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3367 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3348 mSDsluCounter, 19462 SdHoareTripleChecker+Invalid, 5.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15632 mSDsCounter, 605 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4107 IncrementalHoareTripleChecker+Invalid, 4712 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 605 mSolverCounterUnsat, 3830 mSDtfsCounter, 4107 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1126 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2986occurred in iteration=21, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 21 MinimizatonAttempts, 2665 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 4517 NumberOfCodeBlocks, 4517 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4161 ConstructedInterpolants, 0 QuantifiedInterpolants, 18169 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3412 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 17185/17784 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 [2024-11-23 23:37:19,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/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_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC --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 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:37:21,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:37:21,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 23:37:21,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:37:21,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:37:21,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:37:21,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:37:21,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:37:21,700 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:37:21,700 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:37:21,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:37:21,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:37:21,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:37:21,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:37:21,702 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:37:21,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:37:21,704 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 23:37:21,705 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 23:37:21,705 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 23:37:21,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:37:21,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:37:21,705 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:37:21,705 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:37:21,706 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:37:21,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:37:21,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:37:21,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:37:21,708 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:37:21,708 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_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC 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 -> 801154599e4f83be702d4edf57ef1684d9181253862a9d822c36129a43e2867e [2024-11-23 23:37:22,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:37:22,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:37:22,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:37:22,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:37:22,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:37:22,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-23 23:37:25,034 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/eb06f6a2c/e5ccca732d3d4a15ab7454f0cb9df76c/FLAGff2127845 [2024-11-23 23:37:25,312 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:37:25,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i [2024-11-23 23:37:25,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/eb06f6a2c/e5ccca732d3d4a15ab7454f0cb9df76c/FLAGff2127845 [2024-11-23 23:37:25,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/data/eb06f6a2c/e5ccca732d3d4a15ab7454f0cb9df76c [2024-11-23 23:37:25,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:37:25,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:37:25,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:37:25,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:37:25,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:37:25,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9bf6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25, skipping insertion in model container [2024-11-23 23:37:25,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:37:25,564 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_a223c965-4182-40bf-a250-7300b4e35049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-23 23:37:25,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:37:25,692 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:37:25,704 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_a223c965-4182-40bf-a250-7300b4e35049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-6.i[915,928] [2024-11-23 23:37:25,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:37:25,776 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:37:25,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25 WrapperNode [2024-11-23 23:37:25,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:37:25,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:37:25,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:37:25,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:37:25,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,849 INFO L138 Inliner]: procedures = 36, calls = 181, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 552 [2024-11-23 23:37:25,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:37:25,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:37:25,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:37:25,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:37:25,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,882 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,928 INFO L175 MemorySlicer]: Split 135 memory accesses to 17 slices as follows [2, 5, 9, 13, 8, 6, 8, 8, 8, 8, 14, 4, 6, 6, 14, 8, 8]. 10 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2024-11-23 23:37:25,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,985 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:25,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:26,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:37:26,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:37:26,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:37:26,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:37:26,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (1/1) ... [2024-11-23 23:37:26,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:37:26,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:37:26,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:37:26,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:37:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:37:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-23 23:37:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-23 23:37:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-23 23:37:26,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-23 23:37:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-23 23:37:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-23 23:37:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-23 23:37:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-23 23:37:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-23 23:37:26,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-23 23:37:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-23 23:37:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-23 23:37:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-23 23:37:26,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#14 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#15 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#16 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-23 23:37:26,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#14 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#15 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#16 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-23 23:37:26,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-23 23:37:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-23 23:37:26,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-23 23:37:26,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-23 23:37:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-23 23:37:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-23 23:37:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-23 23:37:26,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-23 23:37:26,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-23 23:37:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-23 23:37:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#16 [2024-11-23 23:37:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 23:37:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-23 23:37:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-23 23:37:26,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-23 23:37:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-23 23:37:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-23 23:37:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-23 23:37:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-23 23:37:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-23 23:37:26,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-23 23:37:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-23 23:37:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#14 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#15 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#16 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-23 23:37:26,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-23 23:37:26,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-11-23 23:37:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-23 23:37:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-23 23:37:26,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-23 23:37:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-23 23:37:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-23 23:37:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-23 23:37:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-23 23:37:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-23 23:37:26,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-23 23:37:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-23 23:37:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-23 23:37:26,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#16 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 23:37:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:37:26,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-23 23:37:26,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-23 23:37:26,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-23 23:37:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-23 23:37:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-23 23:37:26,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#16 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-23 23:37:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-23 23:37:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-23 23:37:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-11-23 23:37:26,522 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:37:26,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:37:30,944 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-11-23 23:37:30,944 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:37:30,959 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:37:30,961 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 23:37:30,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:30 BoogieIcfgContainer [2024-11-23 23:37:30,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:37:30,964 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:37:30,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:37:30,969 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:37:30,970 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:37:25" (1/3) ... [2024-11-23 23:37:30,970 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1648277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:30, skipping insertion in model container [2024-11-23 23:37:30,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:37:25" (2/3) ... [2024-11-23 23:37:30,971 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1648277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:37:30, skipping insertion in model container [2024-11-23 23:37:30,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:37:30" (3/3) ... [2024-11-23 23:37:30,974 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-6.i [2024-11-23 23:37:30,986 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:37:30,987 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-6.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 23:37:31,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:37:31,056 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;@8b18ce6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:37:31,056 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 23:37:31,061 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) [2024-11-23 23:37:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:37:31,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:31,077 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] [2024-11-23 23:37:31,078 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:31,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash 520535558, now seen corresponding path program 1 times [2024-11-23 23:37:31,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:31,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976763242] [2024-11-23 23:37:31,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:31,095 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 [2024-11-23 23:37:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:31,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:31,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:31,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 23:37:31,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-23 23:37:31,899 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:31,900 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:31,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976763242] [2024-11-23 23:37:31,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976763242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:31,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:31,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:37:31,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507374321] [2024-11-23 23:37:31,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:31,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 23:37:31,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:31,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 23:37:31,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 23:37:31,938 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) [2024-11-23 23:37:31,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:31,971 INFO L93 Difference]: Finished difference Result 237 states and 371 transitions. [2024-11-23 23:37:31,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 23:37:31,975 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 [2024-11-23 23:37:31,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:31,993 INFO L225 Difference]: With dead ends: 237 [2024-11-23 23:37:31,993 INFO L226 Difference]: Without dead ends: 118 [2024-11-23 23:37:31,997 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 [2024-11-23 23:37:32,000 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 [2024-11-23 23:37:32,001 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] [2024-11-23 23:37:32,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-23 23:37:32,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-23 23:37:32,035 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) [2024-11-23 23:37:32,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-23 23:37:32,046 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 158 [2024-11-23 23:37:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:32,047 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-23 23:37:32,047 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) [2024-11-23 23:37:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-23 23:37:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:37:32,054 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:32,055 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] [2024-11-23 23:37:32,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 23:37:32,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:32,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:32,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:32,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1019917732, now seen corresponding path program 1 times [2024-11-23 23:37:32,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:32,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600572908] [2024-11-23 23:37:32,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:32,258 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 [2024-11-23 23:37:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:32,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:32,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:32,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:37:32,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-23 23:37:33,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:33,033 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:33,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600572908] [2024-11-23 23:37:33,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600572908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:33,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:33,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:37:33,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998980838] [2024-11-23 23:37:33,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:33,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:37:33,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:33,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:37:33,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:37:33,039 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) [2024-11-23 23:37:33,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:33,154 INFO L93 Difference]: Finished difference Result 235 states and 344 transitions. [2024-11-23 23:37:33,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:37:33,155 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 [2024-11-23 23:37:33,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:33,157 INFO L225 Difference]: With dead ends: 235 [2024-11-23 23:37:33,157 INFO L226 Difference]: Without dead ends: 120 [2024-11-23 23:37:33,158 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 [2024-11-23 23:37:33,158 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 [2024-11-23 23:37:33,159 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] [2024-11-23 23:37:33,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-23 23:37:33,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-23 23:37:33,169 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) [2024-11-23 23:37:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 174 transitions. [2024-11-23 23:37:33,172 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 174 transitions. Word has length 158 [2024-11-23 23:37:33,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:33,173 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 174 transitions. [2024-11-23 23:37:33,173 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) [2024-11-23 23:37:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 174 transitions. [2024-11-23 23:37:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:37:33,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:33,176 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] [2024-11-23 23:37:33,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:33,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:33,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:33,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:33,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1408340890, now seen corresponding path program 1 times [2024-11-23 23:37:33,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:33,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [438972801] [2024-11-23 23:37:33,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:33,378 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 [2024-11-23 23:37:33,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:33,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:33,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:33,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:37:33,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:34,965 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:34,966 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:34,966 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [438972801] [2024-11-23 23:37:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [438972801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:34,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:34,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:37:34,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735807792] [2024-11-23 23:37:34,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:34,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:37:34,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:34,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:37:34,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:37:34,971 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), 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) [2024-11-23 23:37:35,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:35,268 INFO L93 Difference]: Finished difference Result 354 states and 516 transitions. [2024-11-23 23:37:35,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:37:35,268 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) 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 [2024-11-23 23:37:35,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:35,271 INFO L225 Difference]: With dead ends: 354 [2024-11-23 23:37:35,271 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 23:37:35,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:37:35,275 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 86 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:35,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 479 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:37:35,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 23:37:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2024-11-23 23:37:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 192 states have (on average 1.375) internal successors, (264), 192 states have internal predecessors, (264), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:37:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 340 transitions. [2024-11-23 23:37:35,326 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 340 transitions. Word has length 158 [2024-11-23 23:37:35,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:35,327 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 340 transitions. [2024-11-23 23:37:35,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) 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) [2024-11-23 23:37:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 340 transitions. [2024-11-23 23:37:35,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:37:35,333 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:35,334 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] [2024-11-23 23:37:35,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:35,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:35,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:35,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:35,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1197682664, now seen corresponding path program 1 times [2024-11-23 23:37:35,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:35,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1258436943] [2024-11-23 23:37:35,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:35,536 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 [2024-11-23 23:37:35,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:35,543 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:35,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:36,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:37:36,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:36,890 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:36,890 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1258436943] [2024-11-23 23:37:36,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1258436943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:36,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:36,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:37:36,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517204503] [2024-11-23 23:37:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:36,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:37:36,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:36,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:37:36,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:37:36,895 INFO L87 Difference]: Start difference. First operand 233 states and 340 transitions. Second operand has 4 states, 4 states have (on average 16.5) 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) [2024-11-23 23:37:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:37,136 INFO L93 Difference]: Finished difference Result 467 states and 681 transitions. [2024-11-23 23:37:37,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:37:37,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) 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 [2024-11-23 23:37:37,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:37,142 INFO L225 Difference]: With dead ends: 467 [2024-11-23 23:37:37,144 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 23:37:37,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:37:37,147 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 81 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:37,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 481 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:37:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 23:37:37,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2024-11-23 23:37:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 192 states have (on average 1.3697916666666667) internal successors, (263), 192 states have internal predecessors, (263), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:37:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 339 transitions. [2024-11-23 23:37:37,189 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 339 transitions. Word has length 158 [2024-11-23 23:37:37,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:37,191 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 339 transitions. [2024-11-23 23:37:37,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) 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) [2024-11-23 23:37:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 339 transitions. [2024-11-23 23:37:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-23 23:37:37,196 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:37,196 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] [2024-11-23 23:37:37,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:37,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:37,397 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:37,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:37,398 INFO L85 PathProgramCache]: Analyzing trace with hash -82181014, now seen corresponding path program 1 times [2024-11-23 23:37:37,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:37,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868471326] [2024-11-23 23:37:37,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:37,399 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 [2024-11-23 23:37:37,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:37,402 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:37,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:37,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:37:37,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:38,005 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:37:38,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:38,005 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:38,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868471326] [2024-11-23 23:37:38,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868471326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:38,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:38,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:37:38,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109096946] [2024-11-23 23:37:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:38,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:37:38,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:38,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:37:38,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:37:38,008 INFO L87 Difference]: Start difference. First operand 233 states and 339 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) [2024-11-23 23:37:38,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:38,083 INFO L93 Difference]: Finished difference Result 467 states and 681 transitions. [2024-11-23 23:37:38,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:37:38,084 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 [2024-11-23 23:37:38,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:38,087 INFO L225 Difference]: With dead ends: 467 [2024-11-23 23:37:38,088 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 23:37:38,089 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 [2024-11-23 23:37:38,090 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 [2024-11-23 23:37:38,092 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] [2024-11-23 23:37:38,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 23:37:38,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2024-11-23 23:37:38,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 196 states have (on average 1.3622448979591837) internal successors, (267), 196 states have internal predecessors, (267), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:37:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 343 transitions. [2024-11-23 23:37:38,125 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 343 transitions. Word has length 158 [2024-11-23 23:37:38,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:38,126 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 343 transitions. [2024-11-23 23:37:38,126 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) [2024-11-23 23:37:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 343 transitions. [2024-11-23 23:37:38,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-23 23:37:38,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:38,130 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] [2024-11-23 23:37:38,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 23:37:38,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:38,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:38,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:38,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1878164380, now seen corresponding path program 1 times [2024-11-23 23:37:38,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:38,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1929109676] [2024-11-23 23:37:38,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:38,333 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 [2024-11-23 23:37:38,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:38,335 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:38,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:37:38,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:39,215 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:37:39,216 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 157 treesize of output 67 [2024-11-23 23:37:39,277 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-23 23:37:39,277 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:39,278 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:39,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1929109676] [2024-11-23 23:37:39,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1929109676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:39,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:39,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:37:39,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253660148] [2024-11-23 23:37:39,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:39,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:37:39,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:39,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:37:39,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:37:39,280 INFO L87 Difference]: Start difference. First operand 237 states and 343 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) [2024-11-23 23:37:41,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:42,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:44,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:45,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:45,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:45,812 INFO L93 Difference]: Finished difference Result 473 states and 685 transitions. [2024-11-23 23:37:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:37:45,824 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 [2024-11-23 23:37:45,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:45,826 INFO L225 Difference]: With dead ends: 473 [2024-11-23 23:37:45,826 INFO L226 Difference]: Without dead ends: 239 [2024-11-23 23:37:45,826 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 [2024-11-23 23:37:45,827 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 142 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 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, 6.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:45,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 548 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-23 23:37:45,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-23 23:37:45,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 237. [2024-11-23 23:37:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 196 states have (on average 1.3520408163265305) internal successors, (265), 196 states have internal predecessors, (265), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:37:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 341 transitions. [2024-11-23 23:37:45,851 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 341 transitions. Word has length 160 [2024-11-23 23:37:45,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:45,852 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 341 transitions. [2024-11-23 23:37:45,852 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) [2024-11-23 23:37:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 341 transitions. [2024-11-23 23:37:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-23 23:37:45,854 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:45,854 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] [2024-11-23 23:37:45,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 23:37:46,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:46,055 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:46,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:46,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1762254174, now seen corresponding path program 1 times [2024-11-23 23:37:46,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:46,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1526527007] [2024-11-23 23:37:46,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:46,056 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 [2024-11-23 23:37:46,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:46,058 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:46,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:46,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:37:46,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:46,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:37:46,922 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 155 treesize of output 65 [2024-11-23 23:37:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2024-11-23 23:37:46,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:37:46,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:46,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1526527007] [2024-11-23 23:37:46,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1526527007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:37:46,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:37:46,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:37:46,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466528118] [2024-11-23 23:37:46,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:37:46,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:37:46,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:46,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:37:46,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:37:46,978 INFO L87 Difference]: Start difference. First operand 237 states and 341 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) [2024-11-23 23:37:48,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:50,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:52,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:52,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:37:52,952 INFO L93 Difference]: Finished difference Result 471 states and 679 transitions. [2024-11-23 23:37:52,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:37:52,962 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 [2024-11-23 23:37:52,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:37:52,964 INFO L225 Difference]: With dead ends: 471 [2024-11-23 23:37:52,964 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 23:37:52,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:37:52,965 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 135 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 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, 5.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:37:52,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 544 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-23 23:37:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 23:37:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2024-11-23 23:37:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 192 states have internal predecessors, (259), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:37:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 335 transitions. [2024-11-23 23:37:52,988 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 335 transitions. Word has length 162 [2024-11-23 23:37:52,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:37:52,988 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 335 transitions. [2024-11-23 23:37:52,989 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) [2024-11-23 23:37:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 335 transitions. [2024-11-23 23:37:52,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 23:37:52,991 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:37:52,991 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] [2024-11-23 23:37:53,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:53,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:37:53,191 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:37:53,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:37:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1923212646, now seen corresponding path program 1 times [2024-11-23 23:37:53,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:37:53,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [517023358] [2024-11-23 23:37:53,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:37:53,192 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 [2024-11-23 23:37:53,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:37:53,194 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:37:53,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:37:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:37:53,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:37:53,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:37:54,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:37:54,036 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 154 treesize of output 64 [2024-11-23 23:37:54,170 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 32 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-23 23:37:54,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:37:54,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:37:54,631 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 98 treesize of output 1 [2024-11-23 23:37:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-23 23:37:54,693 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:37:54,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [517023358] [2024-11-23 23:37:54,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [517023358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 23:37:54,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 23:37:54,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-23 23:37:54,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064614128] [2024-11-23 23:37:54,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 23:37:54,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-23 23:37:54,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:37:54,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-23 23:37:54,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:37:54,695 INFO L87 Difference]: Start difference. First operand 233 states and 335 transitions. Second operand has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 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) [2024-11-23 23:37:57,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:37:59,251 WARN L539 Checker$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 [] [2024-11-23 23:38:01,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 23:38:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:01,150 INFO L93 Difference]: Finished difference Result 489 states and 697 transitions. [2024-11-23 23:38:01,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-23 23:38:01,164 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 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 [2024-11-23 23:38:01,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:01,166 INFO L225 Difference]: With dead ends: 489 [2024-11-23 23:38:01,166 INFO L226 Difference]: Without dead ends: 237 [2024-11-23 23:38:01,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:38:01,168 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 135 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:01,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 805 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-23 23:38:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-23 23:38:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2024-11-23 23:38:01,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 192 states have (on average 1.328125) internal successors, (255), 192 states have internal predecessors, (255), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:38:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 331 transitions. [2024-11-23 23:38:01,183 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 331 transitions. Word has length 164 [2024-11-23 23:38:01,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:01,183 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 331 transitions. [2024-11-23 23:38:01,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.545454545454545) internal successors, (105), 12 states have internal predecessors, (105), 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) [2024-11-23 23:38:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 331 transitions. [2024-11-23 23:38:01,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-23 23:38:01,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:01,186 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] [2024-11-23 23:38:01,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:01,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:01,388 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:01,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:01,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1299931044, now seen corresponding path program 1 times [2024-11-23 23:38:01,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:01,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1833796888] [2024-11-23 23:38:01,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:01,389 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 [2024-11-23 23:38:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:01,395 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:01,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:01,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:38:01,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:02,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-23 23:38:02,250 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 155 treesize of output 65 [2024-11-23 23:38:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-23 23:38:02,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:02,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:02,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1833796888] [2024-11-23 23:38:02,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1833796888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:02,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:02,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:38:02,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875046061] [2024-11-23 23:38:02,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:02,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:38:02,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:02,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:38:02,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:38:02,290 INFO L87 Difference]: Start difference. First operand 233 states and 331 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) [2024-11-23 23:38:06,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:06,207 INFO L93 Difference]: Finished difference Result 465 states and 661 transitions. [2024-11-23 23:38:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:38:06,217 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 [2024-11-23 23:38:06,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:06,219 INFO L225 Difference]: With dead ends: 465 [2024-11-23 23:38:06,219 INFO L226 Difference]: Without dead ends: 235 [2024-11-23 23:38:06,219 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 [2024-11-23 23:38:06,220 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 122 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:06,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 532 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-23 23:38:06,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-23 23:38:06,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2024-11-23 23:38:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 192 states have (on average 1.3177083333333333) internal successors, (253), 192 states have internal predecessors, (253), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-23 23:38:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 329 transitions. [2024-11-23 23:38:06,234 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 329 transitions. Word has length 164 [2024-11-23 23:38:06,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:06,234 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 329 transitions. [2024-11-23 23:38:06,234 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) [2024-11-23 23:38:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 329 transitions. [2024-11-23 23:38:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 23:38:06,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:06,236 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] [2024-11-23 23:38:06,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-23 23:38:06,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:06,437 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:06,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1300569758, now seen corresponding path program 1 times [2024-11-23 23:38:06,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:06,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884842844] [2024-11-23 23:38:06,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:06,438 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 [2024-11-23 23:38:06,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:06,443 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:06,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:07,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-23 23:38:07,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:08,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-23 23:38:09,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-23 23:38:09,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 39 [2024-11-23 23:38:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 39 proven. 354 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-11-23 23:38:09,278 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:38:09,756 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:09,756 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:09,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884842844] [2024-11-23 23:38:09,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884842844] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:38:09,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:38:09,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2024-11-23 23:38:09,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835403131] [2024-11-23 23:38:09,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:09,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:38:09,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:09,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:38:09,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-23 23:38:09,758 INFO L87 Difference]: Start difference. First operand 233 states and 329 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) [2024-11-23 23:38:12,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:38:13,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:13,249 INFO L93 Difference]: Finished difference Result 709 states and 996 transitions. [2024-11-23 23:38:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:38:13,249 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 [2024-11-23 23:38:13,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:13,252 INFO L225 Difference]: With dead ends: 709 [2024-11-23 23:38:13,252 INFO L226 Difference]: Without dead ends: 479 [2024-11-23 23:38:13,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2024-11-23 23:38:13,254 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 348 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:13,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1117 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-23 23:38:13,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2024-11-23 23:38:13,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 427. [2024-11-23 23:38:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 362 states have (on average 1.3259668508287292) internal successors, (480), 364 states have internal predecessors, (480), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:38:13,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 600 transitions. [2024-11-23 23:38:13,309 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 600 transitions. Word has length 166 [2024-11-23 23:38:13,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:13,309 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 600 transitions. [2024-11-23 23:38:13,309 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) [2024-11-23 23:38:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 600 transitions. [2024-11-23 23:38:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-23 23:38:13,313 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:13,313 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] [2024-11-23 23:38:13,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-23 23:38:13,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:13,513 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:13,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1868362441, now seen corresponding path program 1 times [2024-11-23 23:38:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:13,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917962203] [2024-11-23 23:38:13,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:13,515 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 [2024-11-23 23:38:13,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:13,516 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:13,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:14,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-23 23:38:14,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:17,868 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-23 23:38:17,869 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:38:19,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-23 23:38:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 16 proven. 184 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-23 23:38:19,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:38:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:23,201 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:23,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917962203] [2024-11-23 23:38:23,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917962203] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:38:23,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:38:23,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 22 [2024-11-23 23:38:23,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301655249] [2024-11-23 23:38:23,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:23,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:38:23,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:23,202 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:38:23,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2024-11-23 23:38:23,203 INFO L87 Difference]: Start difference. First operand 427 states and 600 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) [2024-11-23 23:38:27,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:27,906 INFO L93 Difference]: Finished difference Result 987 states and 1382 transitions. [2024-11-23 23:38:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:38:27,912 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 [2024-11-23 23:38:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:27,917 INFO L225 Difference]: With dead ends: 987 [2024-11-23 23:38:27,917 INFO L226 Difference]: Without dead ends: 563 [2024-11-23 23:38:27,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=101, Invalid=549, Unknown=0, NotChecked=0, Total=650 [2024-11-23 23:38:27,919 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 177 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:27,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 887 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-23 23:38:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-23 23:38:27,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 443. [2024-11-23 23:38:27,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 378 states have (on average 1.3174603174603174) internal successors, (498), 380 states have internal predecessors, (498), 60 states have call successors, (60), 4 states have call predecessors, (60), 4 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-23 23:38:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 618 transitions. [2024-11-23 23:38:27,960 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 618 transitions. Word has length 166 [2024-11-23 23:38:27,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:27,960 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 618 transitions. [2024-11-23 23:38:27,961 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) [2024-11-23 23:38:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 618 transitions. [2024-11-23 23:38:27,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:27,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:27,965 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] [2024-11-23 23:38:27,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:28,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:28,166 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:28,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:28,167 INFO L85 PathProgramCache]: Analyzing trace with hash 319636017, now seen corresponding path program 1 times [2024-11-23 23:38:28,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:28,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [920840687] [2024-11-23 23:38:28,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:28,167 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 [2024-11-23 23:38:28,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:28,169 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:28,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:28,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:38:28,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:32,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:38:32,257 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:32,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:32,257 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:32,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [920840687] [2024-11-23 23:38:32,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [920840687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:32,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:32,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:38:32,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347921883] [2024-11-23 23:38:32,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:32,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:38:32,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:32,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:38:32,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:38:32,259 INFO L87 Difference]: Start difference. First operand 443 states and 618 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 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) [2024-11-23 23:38:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:34,502 INFO L93 Difference]: Finished difference Result 1058 states and 1477 transitions. [2024-11-23 23:38:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:38:34,503 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 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 [2024-11-23 23:38:34,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:34,506 INFO L225 Difference]: With dead ends: 1058 [2024-11-23 23:38:34,506 INFO L226 Difference]: Without dead ends: 618 [2024-11-23 23:38:34,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:38:34,508 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 266 mSDsluCounter, 1212 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:34,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1421 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-23 23:38:34,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-23 23:38:34,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 603. [2024-11-23 23:38:34,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 506 states have (on average 1.3063241106719368) internal successors, (661), 509 states have internal predecessors, (661), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 87 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-23 23:38:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 841 transitions. [2024-11-23 23:38:34,557 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 841 transitions. Word has length 167 [2024-11-23 23:38:34,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:34,558 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 841 transitions. [2024-11-23 23:38:34,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 9 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) [2024-11-23 23:38:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 841 transitions. [2024-11-23 23:38:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:34,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:34,560 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] [2024-11-23 23:38:34,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:34,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:34,760 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:34,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:34,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1485802317, now seen corresponding path program 1 times [2024-11-23 23:38:34,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:34,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997194973] [2024-11-23 23:38:34,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:34,762 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 [2024-11-23 23:38:34,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:34,763 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:34,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-23 23:38:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:35,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:38:35,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:38,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-23 23:38:38,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:38:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:39,024 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:39,024 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:39,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997194973] [2024-11-23 23:38:39,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997194973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:39,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:39,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:38:39,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180744650] [2024-11-23 23:38:39,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:39,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:38:39,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:39,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:38:39,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:38:39,026 INFO L87 Difference]: Start difference. First operand 603 states and 841 transitions. Second operand has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 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) [2024-11-23 23:38:41,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:41,058 INFO L93 Difference]: Finished difference Result 1094 states and 1527 transitions. [2024-11-23 23:38:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:38:41,059 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 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 [2024-11-23 23:38:41,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:41,063 INFO L225 Difference]: With dead ends: 1094 [2024-11-23 23:38:41,063 INFO L226 Difference]: Without dead ends: 654 [2024-11-23 23:38:41,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:38:41,066 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 110 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:41,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1205 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-23 23:38:41,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-23 23:38:41,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 638. [2024-11-23 23:38:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 532 states have (on average 1.3026315789473684) internal successors, (693), 534 states have internal predecessors, (693), 98 states have call successors, (98), 7 states have call predecessors, (98), 7 states have return successors, (98), 96 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-23 23:38:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 889 transitions. [2024-11-23 23:38:41,155 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 889 transitions. Word has length 167 [2024-11-23 23:38:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:41,156 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 889 transitions. [2024-11-23 23:38:41,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 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) [2024-11-23 23:38:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 889 transitions. [2024-11-23 23:38:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:41,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:41,158 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] [2024-11-23 23:38:41,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-11-23 23:38:41,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:41,359 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:41,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:41,360 INFO L85 PathProgramCache]: Analyzing trace with hash 159875824, now seen corresponding path program 1 times [2024-11-23 23:38:41,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:41,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1115880238] [2024-11-23 23:38:41,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:41,360 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 [2024-11-23 23:38:41,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:41,365 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:41,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:41,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:38:41,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:44,139 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:44,139 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:44,139 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:44,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1115880238] [2024-11-23 23:38:44,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1115880238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:44,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:44,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:38:44,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571306630] [2024-11-23 23:38:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:44,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:38:44,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:44,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:38:44,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:38:44,140 INFO L87 Difference]: Start difference. First operand 638 states and 889 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) [2024-11-23 23:38:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:45,125 INFO L93 Difference]: Finished difference Result 1416 states and 1973 transitions. [2024-11-23 23:38:45,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:38:45,126 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 [2024-11-23 23:38:45,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:45,130 INFO L225 Difference]: With dead ends: 1416 [2024-11-23 23:38:45,131 INFO L226 Difference]: Without dead ends: 863 [2024-11-23 23:38:45,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:38:45,133 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 200 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:45,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 795 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:38:45,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2024-11-23 23:38:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 855. [2024-11-23 23:38:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 717 states have (on average 1.298465829846583) internal successors, (931), 720 states have internal predecessors, (931), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:38:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1187 transitions. [2024-11-23 23:38:45,214 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1187 transitions. Word has length 167 [2024-11-23 23:38:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:45,214 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1187 transitions. [2024-11-23 23:38:45,214 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) [2024-11-23 23:38:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1187 transitions. [2024-11-23 23:38:45,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:45,216 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:45,216 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] [2024-11-23 23:38:45,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-23 23:38:45,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:45,417 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:45,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:45,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1529067918, now seen corresponding path program 1 times [2024-11-23 23:38:45,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:45,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224717454] [2024-11-23 23:38:45,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:45,418 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 [2024-11-23 23:38:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:45,422 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:45,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:45,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:38:45,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:45,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-23 23:38:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:46,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:46,002 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:46,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224717454] [2024-11-23 23:38:46,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224717454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:46,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:46,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:38:46,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989905201] [2024-11-23 23:38:46,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:46,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:38:46,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:46,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:38:46,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:38:46,003 INFO L87 Difference]: Start difference. First operand 855 states and 1187 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) [2024-11-23 23:38:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:46,222 INFO L93 Difference]: Finished difference Result 2292 states and 3184 transitions. [2024-11-23 23:38:46,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:38:46,223 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 [2024-11-23 23:38:46,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:46,230 INFO L225 Difference]: With dead ends: 2292 [2024-11-23 23:38:46,230 INFO L226 Difference]: Without dead ends: 1522 [2024-11-23 23:38:46,232 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 [2024-11-23 23:38:46,233 INFO L435 NwaCegarLoop]: 295 mSDtfsCounter, 161 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:46,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1321 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:38:46,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2024-11-23 23:38:46,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 882. [2024-11-23 23:38:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 744 states have (on average 1.3010752688172043) internal successors, (968), 747 states have internal predecessors, (968), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:38:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1224 transitions. [2024-11-23 23:38:46,341 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1224 transitions. Word has length 167 [2024-11-23 23:38:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:46,342 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1224 transitions. [2024-11-23 23:38:46,342 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) [2024-11-23 23:38:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1224 transitions. [2024-11-23 23:38:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:46,344 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:46,344 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] [2024-11-23 23:38:46,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-11-23 23:38:46,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:46,545 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:46,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -517950668, now seen corresponding path program 1 times [2024-11-23 23:38:46,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:46,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884903553] [2024-11-23 23:38:46,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:46,546 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 [2024-11-23 23:38:46,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:46,547 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:46,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:47,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:38:47,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:49,197 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-23 23:38:49,198 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:38:49,446 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:49,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:49,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:49,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884903553] [2024-11-23 23:38:49,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884903553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:49,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:49,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:38:49,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835118794] [2024-11-23 23:38:49,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:49,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:38:49,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:49,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:38:49,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:38:49,448 INFO L87 Difference]: Start difference. First operand 882 states and 1224 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) [2024-11-23 23:38:50,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:50,424 INFO L93 Difference]: Finished difference Result 1678 states and 2330 transitions. [2024-11-23 23:38:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:38:50,425 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 [2024-11-23 23:38:50,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:50,429 INFO L225 Difference]: With dead ends: 1678 [2024-11-23 23:38:50,429 INFO L226 Difference]: Without dead ends: 881 [2024-11-23 23:38:50,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:38:50,431 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 306 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:50,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 903 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:38:50,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2024-11-23 23:38:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 873. [2024-11-23 23:38:50,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 873 states, 735 states have (on average 1.2965986394557822) internal successors, (953), 738 states have internal predecessors, (953), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:38:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 873 states and 1209 transitions. [2024-11-23 23:38:50,521 INFO L78 Accepts]: Start accepts. Automaton has 873 states and 1209 transitions. Word has length 167 [2024-11-23 23:38:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:50,522 INFO L471 AbstractCegarLoop]: Abstraction has 873 states and 1209 transitions. [2024-11-23 23:38:50,522 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) [2024-11-23 23:38:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1209 transitions. [2024-11-23 23:38:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:50,523 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:50,523 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] [2024-11-23 23:38:50,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:50,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:50,724 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:50,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:50,726 INFO L85 PathProgramCache]: Analyzing trace with hash 25862318, now seen corresponding path program 1 times [2024-11-23 23:38:50,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:50,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759057165] [2024-11-23 23:38:50,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:50,727 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 [2024-11-23 23:38:50,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:50,730 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:50,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:51,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:38:51,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:53,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-23 23:38:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:53,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:53,603 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:53,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759057165] [2024-11-23 23:38:53,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759057165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:53,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:53,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-23 23:38:53,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784156815] [2024-11-23 23:38:53,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:53,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 23:38:53,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:53,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 23:38:53,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:38:53,604 INFO L87 Difference]: Start difference. First operand 873 states and 1209 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 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) [2024-11-23 23:38:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:54,651 INFO L93 Difference]: Finished difference Result 1366 states and 1897 transitions. [2024-11-23 23:38:54,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:38:54,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 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 [2024-11-23 23:38:54,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:54,656 INFO L225 Difference]: With dead ends: 1366 [2024-11-23 23:38:54,656 INFO L226 Difference]: Without dead ends: 902 [2024-11-23 23:38:54,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-23 23:38:54,658 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 94 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:54,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 881 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:38:54,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-23 23:38:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 886. [2024-11-23 23:38:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 748 states have (on average 1.2981283422459893) internal successors, (971), 751 states have internal predecessors, (971), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:38:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1227 transitions. [2024-11-23 23:38:54,744 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1227 transitions. Word has length 167 [2024-11-23 23:38:54,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:54,744 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1227 transitions. [2024-11-23 23:38:54,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 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) [2024-11-23 23:38:54,745 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1227 transitions. [2024-11-23 23:38:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-23 23:38:54,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:54,746 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] [2024-11-23 23:38:54,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-23 23:38:54,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:54,947 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:54,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash -651964174, now seen corresponding path program 1 times [2024-11-23 23:38:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470981240] [2024-11-23 23:38:54,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:54,948 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:54,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:54,949 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:55,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-23 23:38:55,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:38:56,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:38:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:38:56,174 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:38:56,174 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:38:56,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470981240] [2024-11-23 23:38:56,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470981240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:38:56,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:38:56,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:38:56,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822161153] [2024-11-23 23:38:56,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:38:56,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:38:56,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:38:56,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:38:56,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:38:56,176 INFO L87 Difference]: Start difference. First operand 886 states and 1227 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) [2024-11-23 23:38:56,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:38:56,977 INFO L93 Difference]: Finished difference Result 1732 states and 2408 transitions. [2024-11-23 23:38:56,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-23 23:38:56,978 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 [2024-11-23 23:38:56,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:38:56,984 INFO L225 Difference]: With dead ends: 1732 [2024-11-23 23:38:56,984 INFO L226 Difference]: Without dead ends: 1268 [2024-11-23 23:38:56,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-23 23:38:56,986 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 267 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-23 23:38:56,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 862 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-23 23:38:56,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2024-11-23 23:38:57,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 886. [2024-11-23 23:38:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 748 states have (on average 1.2954545454545454) internal successors, (969), 751 states have internal predecessors, (969), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:38:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1225 transitions. [2024-11-23 23:38:57,095 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1225 transitions. Word has length 167 [2024-11-23 23:38:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:38:57,096 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1225 transitions. [2024-11-23 23:38:57,096 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) [2024-11-23 23:38:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1225 transitions. [2024-11-23 23:38:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-23 23:38:57,098 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:38:57,099 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] [2024-11-23 23:38:57,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:57,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:38:57,299 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:38:57,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:38:57,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1716261348, now seen corresponding path program 1 times [2024-11-23 23:38:57,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:38:57,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348205105] [2024-11-23 23:38:57,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:38:57,300 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 [2024-11-23 23:38:57,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:38:57,302 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:38:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:38:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:38:57,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-23 23:38:57,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:00,967 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-23 23:39:00,967 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:39:01,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:39:01,310 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:01,310 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:01,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:01,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348205105] [2024-11-23 23:39:01,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348205105] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:01,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:01,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-23 23:39:01,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939373888] [2024-11-23 23:39:01,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:01,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-23 23:39:01,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:01,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-23 23:39:01,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:39:01,312 INFO L87 Difference]: Start difference. First operand 886 states and 1225 transitions. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 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) [2024-11-23 23:39:03,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:03,823 INFO L93 Difference]: Finished difference Result 1690 states and 2338 transitions. [2024-11-23 23:39:03,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:39:03,824 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 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 [2024-11-23 23:39:03,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:03,826 INFO L225 Difference]: With dead ends: 1690 [2024-11-23 23:39:03,826 INFO L226 Difference]: Without dead ends: 902 [2024-11-23 23:39:03,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-23 23:39:03,828 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 296 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:03,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 1317 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-23 23:39:03,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-23 23:39:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 886. [2024-11-23 23:39:03,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 748 states have (on average 1.2941176470588236) internal successors, (968), 751 states have internal predecessors, (968), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:39:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1224 transitions. [2024-11-23 23:39:03,937 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1224 transitions. Word has length 168 [2024-11-23 23:39:03,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:03,938 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1224 transitions. [2024-11-23 23:39:03,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 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) [2024-11-23 23:39:03,938 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1224 transitions. [2024-11-23 23:39:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-23 23:39:03,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:03,940 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] [2024-11-23 23:39:03,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-23 23:39:04,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:04,140 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:04,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:04,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1850274854, now seen corresponding path program 1 times [2024-11-23 23:39:04,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:04,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145253795] [2024-11-23 23:39:04,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:04,141 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 [2024-11-23 23:39:04,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:04,143 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:04,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:39:04,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:04,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-23 23:39:04,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:07,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2024-11-23 23:39:07,979 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size [2024-11-23 23:39:07,979 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 1 case distinctions, treesize of input 23 treesize of output 19 [2024-11-23 23:39:08,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:39:08,223 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 16 treesize of output 8 [2024-11-23 23:39:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:08,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:08,292 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:08,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145253795] [2024-11-23 23:39:08,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [145253795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:08,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:08,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-23 23:39:08,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045758155] [2024-11-23 23:39:08,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:08,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-23 23:39:08,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:08,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-23 23:39:08,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:39:08,293 INFO L87 Difference]: Start difference. First operand 886 states and 1224 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 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) [2024-11-23 23:39:10,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:10,972 INFO L93 Difference]: Finished difference Result 1430 states and 1975 transitions. [2024-11-23 23:39:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-23 23:39:10,973 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 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 [2024-11-23 23:39:10,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:10,975 INFO L225 Difference]: With dead ends: 1430 [2024-11-23 23:39:10,975 INFO L226 Difference]: Without dead ends: 966 [2024-11-23 23:39:10,976 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:39:10,976 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 152 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:10,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1545 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-23 23:39:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2024-11-23 23:39:11,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 890. [2024-11-23 23:39:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 752 states have (on average 1.2925531914893618) internal successors, (972), 755 states have internal predecessors, (972), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:39:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1228 transitions. [2024-11-23 23:39:11,081 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1228 transitions. Word has length 168 [2024-11-23 23:39:11,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:11,081 INFO L471 AbstractCegarLoop]: Abstraction has 890 states and 1228 transitions. [2024-11-23 23:39:11,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 10 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) [2024-11-23 23:39:11,081 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1228 transitions. [2024-11-23 23:39:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-23 23:39:11,083 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:11,083 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] [2024-11-23 23:39:11,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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 [2024-11-23 23:39:11,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:11,285 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:11,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:11,286 INFO L85 PathProgramCache]: Analyzing trace with hash 586150132, now seen corresponding path program 1 times [2024-11-23 23:39:11,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:11,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988312842] [2024-11-23 23:39:11,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:11,287 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 [2024-11-23 23:39:11,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:11,289 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:11,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-23 23:39:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:11,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:39:11,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:11,833 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:11,833 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:11,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988312842] [2024-11-23 23:39:11,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988312842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:11,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:11,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:39:11,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772500704] [2024-11-23 23:39:11,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:11,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:39:11,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:11,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:39:11,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:11,834 INFO L87 Difference]: Start difference. First operand 890 states and 1228 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) [2024-11-23 23:39:11,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:11,938 INFO L93 Difference]: Finished difference Result 1699 states and 2347 transitions. [2024-11-23 23:39:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:39:11,939 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 [2024-11-23 23:39:11,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:11,943 INFO L225 Difference]: With dead ends: 1699 [2024-11-23 23:39:11,943 INFO L226 Difference]: Without dead ends: 911 [2024-11-23 23:39:11,944 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 [2024-11-23 23:39:11,944 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 639 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 [2024-11-23 23:39:11,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 639 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 23:39:11,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2024-11-23 23:39:12,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 911. [2024-11-23 23:39:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 773 states have (on average 1.2846054333764554) internal successors, (993), 776 states have internal predecessors, (993), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:39:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1249 transitions. [2024-11-23 23:39:12,039 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1249 transitions. Word has length 168 [2024-11-23 23:39:12,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:12,039 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1249 transitions. [2024-11-23 23:39:12,040 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) [2024-11-23 23:39:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1249 transitions. [2024-11-23 23:39:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-23 23:39:12,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:12,041 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] [2024-11-23 23:39:12,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2024-11-23 23:39:12,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:12,242 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:12,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:12,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1182324039, now seen corresponding path program 1 times [2024-11-23 23:39:12,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:12,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [781222656] [2024-11-23 23:39:12,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:12,243 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 [2024-11-23 23:39:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:12,245 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-23 23:39:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:12,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:39:12,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:13,033 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 22 treesize of output 14 [2024-11-23 23:39:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:13,091 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:13,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [781222656] [2024-11-23 23:39:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [781222656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:13,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:13,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:39:13,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643446819] [2024-11-23 23:39:13,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:13,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:39:13,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:13,092 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:39:13,092 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:39:13,092 INFO L87 Difference]: Start difference. First operand 911 states and 1249 transitions. Second operand has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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) [2024-11-23 23:39:14,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:14,175 INFO L93 Difference]: Finished difference Result 1597 states and 2191 transitions. [2024-11-23 23:39:14,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:39:14,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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 [2024-11-23 23:39:14,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:14,183 INFO L225 Difference]: With dead ends: 1597 [2024-11-23 23:39:14,183 INFO L226 Difference]: Without dead ends: 902 [2024-11-23 23:39:14,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:39:14,187 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 269 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:14,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 561 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-23 23:39:14,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2024-11-23 23:39:14,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 900. [2024-11-23 23:39:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 900 states, 762 states have (on average 1.279527559055118) internal successors, (975), 765 states have internal predecessors, (975), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:39:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1231 transitions. [2024-11-23 23:39:14,300 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1231 transitions. Word has length 168 [2024-11-23 23:39:14,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:14,302 INFO L471 AbstractCegarLoop]: Abstraction has 900 states and 1231 transitions. [2024-11-23 23:39:14,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.666666666666666) internal successors, (76), 6 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) [2024-11-23 23:39:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1231 transitions. [2024-11-23 23:39:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:14,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:14,303 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, 1, 1] [2024-11-23 23:39:14,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-23 23:39:14,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:14,504 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:14,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:14,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1120893486, now seen corresponding path program 1 times [2024-11-23 23:39:14,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:14,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545711145] [2024-11-23 23:39:14,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:14,505 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 [2024-11-23 23:39:14,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:14,507 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:14,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-23 23:39:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:15,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-23 23:39:15,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:16,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-23 23:39:16,576 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:16,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:16,577 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:16,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545711145] [2024-11-23 23:39:16,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545711145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:16,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:16,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:39:16,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193954833] [2024-11-23 23:39:16,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:16,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-23 23:39:16,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:16,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-23 23:39:16,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:39:16,578 INFO L87 Difference]: Start difference. First operand 900 states and 1231 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:17,610 INFO L93 Difference]: Finished difference Result 1976 states and 2692 transitions. [2024-11-23 23:39:17,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:39:17,612 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:17,617 INFO L225 Difference]: With dead ends: 1976 [2024-11-23 23:39:17,617 INFO L226 Difference]: Without dead ends: 1178 [2024-11-23 23:39:17,618 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-23 23:39:17,618 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 220 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:17,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 990 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-23 23:39:17,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-23 23:39:17,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 952. [2024-11-23 23:39:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 814 states have (on average 1.28009828009828) internal successors, (1042), 817 states have internal predecessors, (1042), 128 states have call successors, (128), 9 states have call predecessors, (128), 9 states have return successors, (128), 125 states have call predecessors, (128), 128 states have call successors, (128) [2024-11-23 23:39:17,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1298 transitions. [2024-11-23 23:39:17,725 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1298 transitions. Word has length 169 [2024-11-23 23:39:17,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:17,725 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1298 transitions. [2024-11-23 23:39:17,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:17,726 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1298 transitions. [2024-11-23 23:39:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:17,727 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:17,727 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] [2024-11-23 23:39:17,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-23 23:39:17,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:17,928 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:17,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:17,929 INFO L85 PathProgramCache]: Analyzing trace with hash 321305579, now seen corresponding path program 1 times [2024-11-23 23:39:17,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:17,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308553669] [2024-11-23 23:39:17,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:17,930 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:17,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:17,932 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:17,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-23 23:39:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:18,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:39:18,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:19,783 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:19,783 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:19,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308553669] [2024-11-23 23:39:19,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308553669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:19,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:19,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:39:19,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795910119] [2024-11-23 23:39:19,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:19,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:39:19,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:19,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:39:19,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:39:19,784 INFO L87 Difference]: Start difference. First operand 952 states and 1298 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-23 23:39:20,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:20,565 INFO L93 Difference]: Finished difference Result 1482 states and 2039 transitions. [2024-11-23 23:39:20,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:39:20,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:20,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:20,569 INFO L225 Difference]: With dead ends: 1482 [2024-11-23 23:39:20,569 INFO L226 Difference]: Without dead ends: 1220 [2024-11-23 23:39:20,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:39:20,571 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 200 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:20,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 716 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:39:20,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-23 23:39:20,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1214. [2024-11-23 23:39:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 1044 states have (on average 1.2911877394636015) internal successors, (1348), 1048 states have internal predecessors, (1348), 158 states have call successors, (158), 11 states have call predecessors, (158), 11 states have return successors, (158), 154 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-23 23:39:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1664 transitions. [2024-11-23 23:39:20,681 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1664 transitions. Word has length 169 [2024-11-23 23:39:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:20,681 INFO L471 AbstractCegarLoop]: Abstraction has 1214 states and 1664 transitions. [2024-11-23 23:39:20,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-23 23:39:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1664 transitions. [2024-11-23 23:39:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:20,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:20,683 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] [2024-11-23 23:39:20,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:20,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:20,884 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:20,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash 540160297, now seen corresponding path program 1 times [2024-11-23 23:39:20,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:20,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396422187] [2024-11-23 23:39:20,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:20,885 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 [2024-11-23 23:39:20,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:20,887 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:20,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-23 23:39:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:21,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:39:21,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:22,792 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:22,792 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:22,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396422187] [2024-11-23 23:39:22,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396422187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:22,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:22,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:39:22,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563456407] [2024-11-23 23:39:22,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:22,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:39:22,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:22,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:39:22,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:39:22,793 INFO L87 Difference]: Start difference. First operand 1214 states and 1664 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-23 23:39:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:24,644 INFO L93 Difference]: Finished difference Result 2165 states and 2983 transitions. [2024-11-23 23:39:24,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:39:24,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:24,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:24,650 INFO L225 Difference]: With dead ends: 2165 [2024-11-23 23:39:24,650 INFO L226 Difference]: Without dead ends: 1682 [2024-11-23 23:39:24,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-23 23:39:24,651 INFO L435 NwaCegarLoop]: 281 mSDtfsCounter, 519 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 2014 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:24,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 2014 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-23 23:39:24,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2024-11-23 23:39:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1662. [2024-11-23 23:39:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1428 states have (on average 1.2871148459383754) internal successors, (1838), 1434 states have internal predecessors, (1838), 218 states have call successors, (218), 15 states have call predecessors, (218), 15 states have return successors, (218), 212 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-23 23:39:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2274 transitions. [2024-11-23 23:39:24,794 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2274 transitions. Word has length 169 [2024-11-23 23:39:24,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:24,795 INFO L471 AbstractCegarLoop]: Abstraction has 1662 states and 2274 transitions. [2024-11-23 23:39:24,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-23 23:39:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2274 transitions. [2024-11-23 23:39:24,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:24,797 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:24,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:39:24,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:24,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:24,998 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:24,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:24,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1048187605, now seen corresponding path program 1 times [2024-11-23 23:39:24,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:24,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669209249] [2024-11-23 23:39:24,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:24,999 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 [2024-11-23 23:39:24,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:25,000 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:25,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-23 23:39:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:25,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:39:25,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:26,739 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-23 23:39:26,740 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:39:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:27,012 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:27,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:27,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669209249] [2024-11-23 23:39:27,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669209249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:27,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:27,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:39:27,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139329208] [2024-11-23 23:39:27,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:27,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:39:27,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:27,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:39:27,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:39:27,014 INFO L87 Difference]: Start difference. First operand 1662 states and 2274 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-23 23:39:29,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:29,492 INFO L93 Difference]: Finished difference Result 2596 states and 3560 transitions. [2024-11-23 23:39:29,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:39:29,492 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:29,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:29,498 INFO L225 Difference]: With dead ends: 2596 [2024-11-23 23:39:29,498 INFO L226 Difference]: Without dead ends: 1676 [2024-11-23 23:39:29,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:39:29,500 INFO L435 NwaCegarLoop]: 278 mSDtfsCounter, 351 mSDsluCounter, 1275 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:29,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1553 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-23 23:39:29,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1676 states. [2024-11-23 23:39:29,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1676 to 1662. [2024-11-23 23:39:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1662 states, 1428 states have (on average 1.285014005602241) internal successors, (1835), 1434 states have internal predecessors, (1835), 218 states have call successors, (218), 15 states have call predecessors, (218), 15 states have return successors, (218), 212 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-23 23:39:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1662 states and 2271 transitions. [2024-11-23 23:39:29,670 INFO L78 Accepts]: Start accepts. Automaton has 1662 states and 2271 transitions. Word has length 169 [2024-11-23 23:39:29,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:29,671 INFO L471 AbstractCegarLoop]: Abstraction has 1662 states and 2271 transitions. [2024-11-23 23:39:29,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-23 23:39:29,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2271 transitions. [2024-11-23 23:39:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:29,673 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:29,673 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] [2024-11-23 23:39:29,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Ended with exit code 0 [2024-11-23 23:39:29,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:29,873 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:29,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:29,874 INFO L85 PathProgramCache]: Analyzing trace with hash -37070355, now seen corresponding path program 1 times [2024-11-23 23:39:29,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:29,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1243096042] [2024-11-23 23:39:29,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:29,874 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 [2024-11-23 23:39:29,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:29,876 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:29,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-23 23:39:30,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:30,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-23 23:39:30,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:30,397 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 [2024-11-23 23:39:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:30,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:30,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:30,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1243096042] [2024-11-23 23:39:30,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1243096042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:30,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:30,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:39:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178617409] [2024-11-23 23:39:30,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:30,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:39:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:30,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:39:30,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:39:30,474 INFO L87 Difference]: Start difference. First operand 1662 states and 2271 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:30,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:30,840 INFO L93 Difference]: Finished difference Result 3693 states and 5059 transitions. [2024-11-23 23:39:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 23:39:30,841 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:30,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:30,851 INFO L225 Difference]: With dead ends: 3693 [2024-11-23 23:39:30,851 INFO L226 Difference]: Without dead ends: 2545 [2024-11-23 23:39:30,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:39:30,854 INFO L435 NwaCegarLoop]: 321 mSDtfsCounter, 161 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:30,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 1415 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-23 23:39:30,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2024-11-23 23:39:31,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 1654. [2024-11-23 23:39:31,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1420 states have (on average 1.2838028169014084) internal successors, (1823), 1426 states have internal predecessors, (1823), 218 states have call successors, (218), 15 states have call predecessors, (218), 15 states have return successors, (218), 212 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-23 23:39:31,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2259 transitions. [2024-11-23 23:39:31,059 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2259 transitions. Word has length 169 [2024-11-23 23:39:31,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:31,060 INFO L471 AbstractCegarLoop]: Abstraction has 1654 states and 2259 transitions. [2024-11-23 23:39:31,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2259 transitions. [2024-11-23 23:39:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:31,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:31,062 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] [2024-11-23 23:39:31,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:31,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:31,263 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:31,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:31,263 INFO L85 PathProgramCache]: Analyzing trace with hash -137666195, now seen corresponding path program 1 times [2024-11-23 23:39:31,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:31,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803161508] [2024-11-23 23:39:31,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:31,264 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 [2024-11-23 23:39:31,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:31,266 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:31,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2024-11-23 23:39:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:31,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-23 23:39:31,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:33,066 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2024-11-23 23:39:33,067 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-23 23:39:33,316 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-23 23:39:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:33,354 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:33,354 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:33,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803161508] [2024-11-23 23:39:33,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803161508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:33,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:33,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-23 23:39:33,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111020182] [2024-11-23 23:39:33,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:33,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:39:33,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:33,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:39:33,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-23 23:39:33,355 INFO L87 Difference]: Start difference. First operand 1654 states and 2259 transitions. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-23 23:39:35,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:35,330 INFO L93 Difference]: Finished difference Result 2778 states and 3803 transitions. [2024-11-23 23:39:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-23 23:39:35,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:35,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:35,338 INFO L225 Difference]: With dead ends: 2778 [2024-11-23 23:39:35,338 INFO L226 Difference]: Without dead ends: 1864 [2024-11-23 23:39:35,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2024-11-23 23:39:35,341 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 500 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:35,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [500 Valid, 1117 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-23 23:39:35,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2024-11-23 23:39:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1848. [2024-11-23 23:39:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1848 states, 1582 states have (on average 1.2800252844500632) internal successors, (2025), 1589 states have internal predecessors, (2025), 248 states have call successors, (248), 17 states have call predecessors, (248), 17 states have return successors, (248), 241 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-23 23:39:35,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1848 states and 2521 transitions. [2024-11-23 23:39:35,558 INFO L78 Accepts]: Start accepts. Automaton has 1848 states and 2521 transitions. Word has length 169 [2024-11-23 23:39:35,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:35,558 INFO L471 AbstractCegarLoop]: Abstraction has 1848 states and 2521 transitions. [2024-11-23 23:39:35,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 8 states have internal predecessors, (77), 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) [2024-11-23 23:39:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2521 transitions. [2024-11-23 23:39:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:35,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:35,560 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] [2024-11-23 23:39:35,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Ended with exit code 0 [2024-11-23 23:39:35,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:35,761 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:35,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:35,761 INFO L85 PathProgramCache]: Analyzing trace with hash 187292073, now seen corresponding path program 1 times [2024-11-23 23:39:35,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:35,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [261104869] [2024-11-23 23:39:35,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:35,762 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 [2024-11-23 23:39:35,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:35,764 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:35,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-23 23:39:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:36,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:39:36,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:36,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-23 23:39:36,396 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 15 treesize of output 7 [2024-11-23 23:39:36,417 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:36,417 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:36,417 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:36,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [261104869] [2024-11-23 23:39:36,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [261104869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:36,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:36,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:39:36,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019332444] [2024-11-23 23:39:36,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:36,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:39:36,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:36,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:39:36,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:39:36,419 INFO L87 Difference]: Start difference. First operand 1848 states and 2521 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:37,177 INFO L93 Difference]: Finished difference Result 3310 states and 4535 transitions. [2024-11-23 23:39:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:39:37,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:37,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:37,187 INFO L225 Difference]: With dead ends: 3310 [2024-11-23 23:39:37,187 INFO L226 Difference]: Without dead ends: 2604 [2024-11-23 23:39:37,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:39:37,190 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 152 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:37,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 1270 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-23 23:39:37,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2024-11-23 23:39:37,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 1840. [2024-11-23 23:39:37,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1840 states, 1574 states have (on average 1.2750952986022872) internal successors, (2007), 1581 states have internal predecessors, (2007), 248 states have call successors, (248), 17 states have call predecessors, (248), 17 states have return successors, (248), 241 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-23 23:39:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1840 states and 2503 transitions. [2024-11-23 23:39:37,369 INFO L78 Accepts]: Start accepts. Automaton has 1840 states and 2503 transitions. Word has length 169 [2024-11-23 23:39:37,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:37,369 INFO L471 AbstractCegarLoop]: Abstraction has 1840 states and 2503 transitions. [2024-11-23 23:39:37,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:37,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2503 transitions. [2024-11-23 23:39:37,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-23 23:39:37,370 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:37,370 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] [2024-11-23 23:39:37,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2024-11-23 23:39:37,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:37,571 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:37,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:37,571 INFO L85 PathProgramCache]: Analyzing trace with hash -490534419, now seen corresponding path program 1 times [2024-11-23 23:39:37,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:37,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805119185] [2024-11-23 23:39:37,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:37,572 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 [2024-11-23 23:39:37,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:37,573 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:37,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-23 23:39:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:38,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:39:38,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:38,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-23 23:39:38,180 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 16 treesize of output 8 [2024-11-23 23:39:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:38,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:38,200 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:38,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805119185] [2024-11-23 23:39:38,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805119185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:38,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:38,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-23 23:39:38,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346942203] [2024-11-23 23:39:38,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:38,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:39:38,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:38,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:39:38,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:39:38,201 INFO L87 Difference]: Start difference. First operand 1840 states and 2503 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:38,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:38,886 INFO L93 Difference]: Finished difference Result 3245 states and 4439 transitions. [2024-11-23 23:39:38,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:39:38,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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 169 [2024-11-23 23:39:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:38,897 INFO L225 Difference]: With dead ends: 3245 [2024-11-23 23:39:38,897 INFO L226 Difference]: Without dead ends: 2771 [2024-11-23 23:39:38,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-23 23:39:38,899 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 154 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:38,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 828 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-23 23:39:38,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2771 states. [2024-11-23 23:39:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2771 to 1821. [2024-11-23 23:39:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1821 states, 1555 states have (on average 1.2707395498392282) internal successors, (1976), 1562 states have internal predecessors, (1976), 248 states have call successors, (248), 17 states have call predecessors, (248), 17 states have return successors, (248), 241 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-23 23:39:39,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2472 transitions. [2024-11-23 23:39:39,113 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2472 transitions. Word has length 169 [2024-11-23 23:39:39,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:39,114 INFO L471 AbstractCegarLoop]: Abstraction has 1821 states and 2472 transitions. [2024-11-23 23:39:39,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 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) [2024-11-23 23:39:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2472 transitions. [2024-11-23 23:39:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-23 23:39:39,115 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:39,116 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, 1] [2024-11-23 23:39:39,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2024-11-23 23:39:39,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:39,316 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:39,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:39,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1011660935, now seen corresponding path program 1 times [2024-11-23 23:39:39,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:39,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481734344] [2024-11-23 23:39:39,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:39,317 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 [2024-11-23 23:39:39,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:39,319 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:39,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2024-11-23 23:39:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:39,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-23 23:39:39,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:39,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-23 23:39:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:40,344 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:40,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:40,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481734344] [2024-11-23 23:39:40,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481734344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:40,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:40,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:39:40,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903817835] [2024-11-23 23:39:40,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:40,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:39:40,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:40,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:39:40,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:39:40,345 INFO L87 Difference]: Start difference. First operand 1821 states and 2472 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-11-23 23:39:40,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:40,677 INFO L93 Difference]: Finished difference Result 3464 states and 4694 transitions. [2024-11-23 23:39:40,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:39:40,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 170 [2024-11-23 23:39:40,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:40,683 INFO L225 Difference]: With dead ends: 3464 [2024-11-23 23:39:40,684 INFO L226 Difference]: Without dead ends: 1726 [2024-11-23 23:39:40,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:40,687 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 173 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:40,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 155 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1726 states. [2024-11-23 23:39:40,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1726 to 1726. [2024-11-23 23:39:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1726 states, 1460 states have (on average 1.2383561643835617) internal successors, (1808), 1467 states have internal predecessors, (1808), 248 states have call successors, (248), 17 states have call predecessors, (248), 17 states have return successors, (248), 241 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-23 23:39:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1726 states and 2304 transitions. [2024-11-23 23:39:40,871 INFO L78 Accepts]: Start accepts. Automaton has 1726 states and 2304 transitions. Word has length 170 [2024-11-23 23:39:40,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:40,872 INFO L471 AbstractCegarLoop]: Abstraction has 1726 states and 2304 transitions. [2024-11-23 23:39:40,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2024-11-23 23:39:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 2304 transitions. [2024-11-23 23:39:40,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-23 23:39:40,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:40,873 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, 1] [2024-11-23 23:39:40,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2024-11-23 23:39:41,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:41,075 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:41,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:41,075 INFO L85 PathProgramCache]: Analyzing trace with hash 212298342, now seen corresponding path program 1 times [2024-11-23 23:39:41,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:41,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285235157] [2024-11-23 23:39:41,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:41,076 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 [2024-11-23 23:39:41,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:41,081 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:41,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-23 23:39:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:41,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-23 23:39:41,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:41,713 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:41,713 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:41,713 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:41,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285235157] [2024-11-23 23:39:41,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285235157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:41,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:41,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:39:41,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871152158] [2024-11-23 23:39:41,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:41,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:39:41,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:41,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:39:41,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:41,715 INFO L87 Difference]: Start difference. First operand 1726 states and 2304 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-23 23:39:41,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:41,966 INFO L93 Difference]: Finished difference Result 3322 states and 4446 transitions. [2024-11-23 23:39:41,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:39:41,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 170 [2024-11-23 23:39:41,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:41,975 INFO L225 Difference]: With dead ends: 3322 [2024-11-23 23:39:41,975 INFO L226 Difference]: Without dead ends: 1771 [2024-11-23 23:39:41,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:39:41,981 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 604 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 [2024-11-23 23:39:41,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 604 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-23 23:39:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2024-11-23 23:39:42,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1771. [2024-11-23 23:39:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1771 states, 1505 states have (on average 1.2312292358803987) internal successors, (1853), 1512 states have internal predecessors, (1853), 248 states have call successors, (248), 17 states have call predecessors, (248), 17 states have return successors, (248), 241 states have call predecessors, (248), 248 states have call successors, (248) [2024-11-23 23:39:42,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1771 states and 2349 transitions. [2024-11-23 23:39:42,223 INFO L78 Accepts]: Start accepts. Automaton has 1771 states and 2349 transitions. Word has length 170 [2024-11-23 23:39:42,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:42,224 INFO L471 AbstractCegarLoop]: Abstraction has 1771 states and 2349 transitions. [2024-11-23 23:39:42,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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) [2024-11-23 23:39:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2349 transitions. [2024-11-23 23:39:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-23 23:39:42,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:42,225 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, 1, 1] [2024-11-23 23:39:42,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-23 23:39:42,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:42,426 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:42,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:42,427 INFO L85 PathProgramCache]: Analyzing trace with hash 247091257, now seen corresponding path program 1 times [2024-11-23 23:39:42,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:42,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987882915] [2024-11-23 23:39:42,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:42,427 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 [2024-11-23 23:39:42,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:42,431 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:42,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-23 23:39:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:43,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 23:39:43,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:46,375 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 26 treesize of output 22 [2024-11-23 23:39:47,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 85 [2024-11-23 23:39:47,291 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 83 treesize of output 63 [2024-11-23 23:39:47,297 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 68 treesize of output 52 [2024-11-23 23:39:47,569 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 26 proven. 505 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-23 23:39:47,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 23:39:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:48,325 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:48,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987882915] [2024-11-23 23:39:48,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987882915] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 23:39:48,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 23:39:48,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [23] total 29 [2024-11-23 23:39:48,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840988489] [2024-11-23 23:39:48,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:48,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-23 23:39:48,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:48,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-23 23:39:48,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2024-11-23 23:39:48,327 INFO L87 Difference]: Start difference. First operand 1771 states and 2349 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 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) [2024-11-23 23:39:49,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:39:52,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:39:53,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:39:53,099 INFO L93 Difference]: Finished difference Result 4286 states and 5622 transitions. [2024-11-23 23:39:53,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 23:39:53,099 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 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 171 [2024-11-23 23:39:53,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:39:53,105 INFO L225 Difference]: With dead ends: 4286 [2024-11-23 23:39:53,105 INFO L226 Difference]: Without dead ends: 2690 [2024-11-23 23:39:53,108 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=126, Invalid=996, Unknown=0, NotChecked=0, Total=1122 [2024-11-23 23:39:53,108 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 194 mSDsluCounter, 1166 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 1397 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-23 23:39:53,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 1397 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-23 23:39:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-11-23 23:39:53,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2467. [2024-11-23 23:39:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2467 states, 2146 states have (on average 1.2255358807082946) internal successors, (2630), 2161 states have internal predecessors, (2630), 288 states have call successors, (288), 32 states have call predecessors, (288), 32 states have return successors, (288), 273 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-23 23:39:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3206 transitions. [2024-11-23 23:39:53,428 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3206 transitions. Word has length 171 [2024-11-23 23:39:53,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:39:53,428 INFO L471 AbstractCegarLoop]: Abstraction has 2467 states and 3206 transitions. [2024-11-23 23:39:53,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 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) [2024-11-23 23:39:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3206 transitions. [2024-11-23 23:39:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-23 23:39:53,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:39:53,430 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, 1, 1] [2024-11-23 23:39:53,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Ended with exit code 0 [2024-11-23 23:39:53,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:39:53,634 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:39:53,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:39:53,635 INFO L85 PathProgramCache]: Analyzing trace with hash 521850871, now seen corresponding path program 1 times [2024-11-23 23:39:53,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:39:53,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [847866226] [2024-11-23 23:39:53,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:39:53,636 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 [2024-11-23 23:39:53,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:39:53,637 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:39:53,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-23 23:39:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:39:54,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-23 23:39:54,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:39:55,069 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 35 treesize of output 23 [2024-11-23 23:39:55,074 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 20 treesize of output 16 [2024-11-23 23:39:55,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-23 23:39:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-23 23:39:55,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 23:39:55,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 23:39:55,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [847866226] [2024-11-23 23:39:55,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [847866226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:39:55,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:39:55,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 23:39:55,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210817668] [2024-11-23 23:39:55,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:39:55,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:39:55,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 23:39:55,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:39:55,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:39:55,156 INFO L87 Difference]: Start difference. First operand 2467 states and 3206 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-23 23:39:56,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:39:58,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:40:00,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:40:02,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-23 23:40:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 23:40:02,870 INFO L93 Difference]: Finished difference Result 6895 states and 9060 transitions. [2024-11-23 23:40:02,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-23 23:40:02,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 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 171 [2024-11-23 23:40:02,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 23:40:02,888 INFO L225 Difference]: With dead ends: 6895 [2024-11-23 23:40:02,888 INFO L226 Difference]: Without dead ends: 5430 [2024-11-23 23:40:02,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-23 23:40:02,892 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 355 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2024-11-23 23:40:02,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1263 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2024-11-23 23:40:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5430 states. [2024-11-23 23:40:03,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5430 to 4148. [2024-11-23 23:40:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4148 states, 3569 states have (on average 1.2261137573550014) internal successors, (4376), 3588 states have internal predecessors, (4376), 529 states have call successors, (529), 49 states have call predecessors, (529), 49 states have return successors, (529), 510 states have call predecessors, (529), 529 states have call successors, (529) [2024-11-23 23:40:03,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4148 states to 4148 states and 5434 transitions. [2024-11-23 23:40:03,476 INFO L78 Accepts]: Start accepts. Automaton has 4148 states and 5434 transitions. Word has length 171 [2024-11-23 23:40:03,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 23:40:03,477 INFO L471 AbstractCegarLoop]: Abstraction has 4148 states and 5434 transitions. [2024-11-23 23:40:03,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 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) [2024-11-23 23:40:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 5434 transitions. [2024-11-23 23:40:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-23 23:40:03,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 23:40:03,479 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:40:03,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-23 23:40:03,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 23:40:03,680 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 23:40:03,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:40:03,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1167092871, now seen corresponding path program 1 times [2024-11-23 23:40:03,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 23:40:03,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780845523] [2024-11-23 23:40:03,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:40:03,682 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 [2024-11-23 23:40:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 23:40:03,684 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -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) [2024-11-23 23:40:03,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a223c965-4182-40bf-a250-7300b4e35049/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process