./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1 --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 a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:51:16,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:51:16,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:51:16,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:51:16,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:51:16,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:51:16,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:51:16,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:51:16,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:51:16,285 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:51:16,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:51:16,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:51:16,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:51:16,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:51:16,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:51:16,287 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:16,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:16,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:16,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:51:16,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:51:16,289 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:51:16,289 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:51:16,289 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_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1 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 -> a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e [2024-12-02 08:51:16,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:51:16,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:51:16,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:51:16,530 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:51:16,531 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:51:16,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-12-02 08:51:19,164 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/6d0548042/4e7958424fca404685f5308ce20f3f64/FLAGe016fbf20 [2024-12-02 08:51:19,370 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:51:19,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-12-02 08:51:19,377 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/6d0548042/4e7958424fca404685f5308ce20f3f64/FLAGe016fbf20 [2024-12-02 08:51:19,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/6d0548042/4e7958424fca404685f5308ce20f3f64 [2024-12-02 08:51:19,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:51:19,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:51:19,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:19,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:51:19,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:51:19,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:19,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b5b9e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19, skipping insertion in model container [2024-12-02 08:51:19,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:19,770 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:51:19,865 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_c046bf3f-4c1b-4135-a6ba-b677110c1231/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-12-02 08:51:19,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:19,920 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:51:19,927 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_c046bf3f-4c1b-4135-a6ba-b677110c1231/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-12-02 08:51:19,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:19,970 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:51:19,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19 WrapperNode [2024-12-02 08:51:19,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:19,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:19,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:51:19,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:51:19,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:19,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,013 INFO L138 Inliner]: procedures = 29, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-12-02 08:51:20,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:20,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:51:20,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:51:20,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:51:20,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,044 INFO L175 MemorySlicer]: Split 91 memory accesses to 6 slices as follows [2, 14, 34, 16, 6, 19]. 37 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 3, 2, 1, 1]. The 12 writes are split as follows [0, 3, 3, 2, 2, 2]. [2024-12-02 08:51:20,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,059 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,060 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:51:20,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:51:20,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:51:20,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:51:20,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (1/1) ... [2024-12-02 08:51:20,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:20,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:20,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:51:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:51:20,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:51:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:51:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:51:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 08:51:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 08:51:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 08:51:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 08:51:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 08:51:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:51:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:51:20,236 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:51:20,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:51:20,587 INFO L? ?]: Removed 106 outVars from TransFormulas that were not future-live. [2024-12-02 08:51:20,588 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:51:20,598 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:51:20,598 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:51:20,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:20 BoogieIcfgContainer [2024-12-02 08:51:20,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:51:20,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:51:20,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:51:20,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:51:20,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:19" (1/3) ... [2024-12-02 08:51:20,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f954ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:20, skipping insertion in model container [2024-12-02 08:51:20,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:19" (2/3) ... [2024-12-02 08:51:20,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f954ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:20, skipping insertion in model container [2024-12-02 08:51:20,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:20" (3/3) ... [2024-12-02 08:51:20,607 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2024-12-02 08:51:20,617 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:51:20,619 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-21.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:51:20,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:51:20,680 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;@1b71afb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:51:20,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:51:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 08:51:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:51:20,690 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:20,690 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:20,691 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:20,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1393676978, now seen corresponding path program 1 times [2024-12-02 08:51:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:20,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938625666] [2024-12-02 08:51:20,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:20,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 08:51:20,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938625666] [2024-12-02 08:51:20,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938625666] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:51:20,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046577435] [2024-12-02 08:51:20,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:20,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:20,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:51:20,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:51:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:21,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:51:21,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:51:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-12-02 08:51:21,098 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:51:21,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046577435] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:21,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:51:21,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:51:21,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869984308] [2024-12-02 08:51:21,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:21,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:51:21,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:21,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:51:21,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:21,120 INFO L87 Difference]: Start difference. First operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:21,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:21,138 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-12-02 08:51:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:51:21,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-12-02 08:51:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:21,145 INFO L225 Difference]: With dead ends: 185 [2024-12-02 08:51:21,146 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 08:51:21,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:21,150 INFO L435 NwaCegarLoop]: 135 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, 135 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 [2024-12-02 08:51:21,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 08:51:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 08:51:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 08:51:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-12-02 08:51:21,184 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-12-02 08:51:21,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:21,185 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-12-02 08:51:21,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-12-02 08:51:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:51:21,188 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:21,188 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:21,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:51:21,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:21,389 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:21,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:21,389 INFO L85 PathProgramCache]: Analyzing trace with hash -259048304, now seen corresponding path program 1 times [2024-12-02 08:51:21,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:21,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848563488] [2024-12-02 08:51:21,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:21,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:21,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:21,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848563488] [2024-12-02 08:51:21,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848563488] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:21,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:21,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:51:21,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806134022] [2024-12-02 08:51:21,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:21,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:51:21,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:21,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:51:21,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:51:21,591 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:21,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:21,627 INFO L93 Difference]: Finished difference Result 183 states and 270 transitions. [2024-12-02 08:51:21,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:51:21,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-12-02 08:51:21,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:21,629 INFO L225 Difference]: With dead ends: 183 [2024-12-02 08:51:21,629 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 08:51:21,630 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 [2024-12-02 08:51:21,630 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 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 [2024-12-02 08:51:21,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 08:51:21,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 08:51:21,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 08:51:21,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-12-02 08:51:21,639 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 80 [2024-12-02 08:51:21,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:21,640 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-12-02 08:51:21,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-12-02 08:51:21,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:51:21,642 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:21,642 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:21,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:51:21,642 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:21,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:21,643 INFO L85 PathProgramCache]: Analyzing trace with hash 158348302, now seen corresponding path program 1 times [2024-12-02 08:51:21,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:21,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216702031] [2024-12-02 08:51:21,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:21,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:22,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:22,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216702031] [2024-12-02 08:51:22,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216702031] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:22,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:22,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 08:51:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965309810] [2024-12-02 08:51:22,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:22,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:51:22,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:22,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:51:22,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:51:22,247 INFO L87 Difference]: Start difference. First operand 94 states and 137 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:22,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:22,430 INFO L93 Difference]: Finished difference Result 307 states and 449 transitions. [2024-12-02 08:51:22,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:51:22,430 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2024-12-02 08:51:22,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:22,432 INFO L225 Difference]: With dead ends: 307 [2024-12-02 08:51:22,432 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 08:51:22,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:51:22,433 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 239 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:22,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 703 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:51:22,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 08:51:22,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 189. [2024-12-02 08:51:22,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 172 states have (on average 1.430232558139535) internal successors, (246), 172 states have internal predecessors, (246), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:51:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 274 transitions. [2024-12-02 08:51:22,451 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 274 transitions. Word has length 80 [2024-12-02 08:51:22,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:22,451 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 274 transitions. [2024-12-02 08:51:22,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:22,451 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 274 transitions. [2024-12-02 08:51:22,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 08:51:22,452 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:22,453 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:22,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:51:22,453 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:22,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:22,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1038830393, now seen corresponding path program 1 times [2024-12-02 08:51:22,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:22,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552785232] [2024-12-02 08:51:22,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:22,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:22,626 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:22,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:22,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552785232] [2024-12-02 08:51:22,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552785232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:22,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:22,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:51:22,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10115635] [2024-12-02 08:51:22,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:22,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:51:22,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:22,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:51:22,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:51:22,628 INFO L87 Difference]: Start difference. First operand 189 states and 274 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:22,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:22,664 INFO L93 Difference]: Finished difference Result 378 states and 549 transitions. [2024-12-02 08:51:22,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:51:22,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 83 [2024-12-02 08:51:22,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:22,666 INFO L225 Difference]: With dead ends: 378 [2024-12-02 08:51:22,666 INFO L226 Difference]: Without dead ends: 192 [2024-12-02 08:51:22,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:51:22,668 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:22,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 513 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-12-02 08:51:22,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2024-12-02 08:51:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 175 states have (on average 1.417142857142857) internal successors, (248), 175 states have internal predecessors, (248), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:51:22,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 276 transitions. [2024-12-02 08:51:22,681 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 276 transitions. Word has length 83 [2024-12-02 08:51:22,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:22,682 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 276 transitions. [2024-12-02 08:51:22,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 276 transitions. [2024-12-02 08:51:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-02 08:51:22,683 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:22,684 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:22,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:51:22,684 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:22,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash -564200222, now seen corresponding path program 1 times [2024-12-02 08:51:22,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:22,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391478923] [2024-12-02 08:51:22,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:22,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:23,615 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:23,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:23,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391478923] [2024-12-02 08:51:23,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391478923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:23,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:23,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 08:51:23,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364868618] [2024-12-02 08:51:23,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:23,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 08:51:23,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:23,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 08:51:23,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:51:23,617 INFO L87 Difference]: Start difference. First operand 192 states and 276 transitions. Second operand has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:23,840 INFO L93 Difference]: Finished difference Result 490 states and 697 transitions. [2024-12-02 08:51:23,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:51:23,844 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 87 [2024-12-02 08:51:23,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:23,846 INFO L225 Difference]: With dead ends: 490 [2024-12-02 08:51:23,846 INFO L226 Difference]: Without dead ends: 301 [2024-12-02 08:51:23,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:51:23,847 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 84 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:23,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1034 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:51:23,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-12-02 08:51:23,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 227. [2024-12-02 08:51:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 210 states have (on average 1.4047619047619047) internal successors, (295), 210 states have internal predecessors, (295), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:51:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 323 transitions. [2024-12-02 08:51:23,861 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 323 transitions. Word has length 87 [2024-12-02 08:51:23,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:23,862 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 323 transitions. [2024-12-02 08:51:23,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.875) internal successors, (55), 9 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 323 transitions. [2024-12-02 08:51:23,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 08:51:23,863 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:23,863 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:23,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:51:23,863 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:23,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:23,864 INFO L85 PathProgramCache]: Analyzing trace with hash -205138822, now seen corresponding path program 1 times [2024-12-02 08:51:23,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:23,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514916709] [2024-12-02 08:51:23,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:23,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:24,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:24,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514916709] [2024-12-02 08:51:24,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514916709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:24,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:24,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 08:51:24,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781521717] [2024-12-02 08:51:24,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:24,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:51:24,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:24,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:51:24,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:51:24,583 INFO L87 Difference]: Start difference. First operand 227 states and 323 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:24,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:24,754 INFO L93 Difference]: Finished difference Result 431 states and 608 transitions. [2024-12-02 08:51:24,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:51:24,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2024-12-02 08:51:24,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:24,756 INFO L225 Difference]: With dead ends: 431 [2024-12-02 08:51:24,756 INFO L226 Difference]: Without dead ends: 314 [2024-12-02 08:51:24,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:51:24,758 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 37 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:24,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 748 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:51:24,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-12-02 08:51:24,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 230. [2024-12-02 08:51:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 213 states have (on average 1.3990610328638498) internal successors, (298), 213 states have internal predecessors, (298), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:51:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 326 transitions. [2024-12-02 08:51:24,770 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 326 transitions. Word has length 88 [2024-12-02 08:51:24,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:24,771 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 326 transitions. [2024-12-02 08:51:24,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:24,771 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 326 transitions. [2024-12-02 08:51:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 08:51:24,772 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:24,772 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:24,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:51:24,773 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:24,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:24,773 INFO L85 PathProgramCache]: Analyzing trace with hash -145742675, now seen corresponding path program 1 times [2024-12-02 08:51:24,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:24,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593581317] [2024-12-02 08:51:24,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:24,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:25,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:25,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593581317] [2024-12-02 08:51:25,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593581317] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:25,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:25,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:51:25,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92782299] [2024-12-02 08:51:25,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:25,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:51:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:25,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:51:25,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:51:25,047 INFO L87 Difference]: Start difference. First operand 230 states and 326 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:25,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:25,104 INFO L93 Difference]: Finished difference Result 240 states and 337 transitions. [2024-12-02 08:51:25,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:51:25,105 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 89 [2024-12-02 08:51:25,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:25,106 INFO L225 Difference]: With dead ends: 240 [2024-12-02 08:51:25,106 INFO L226 Difference]: Without dead ends: 238 [2024-12-02 08:51:25,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:51:25,107 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:25,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 888 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-12-02 08:51:25,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-12-02 08:51:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 221 states have (on average 1.3846153846153846) internal successors, (306), 221 states have internal predecessors, (306), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:51:25,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 334 transitions. [2024-12-02 08:51:25,119 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 334 transitions. Word has length 89 [2024-12-02 08:51:25,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:25,119 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 334 transitions. [2024-12-02 08:51:25,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:25,120 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 334 transitions. [2024-12-02 08:51:25,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-02 08:51:25,120 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:25,121 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:25,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 08:51:25,121 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:25,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:25,121 INFO L85 PathProgramCache]: Analyzing trace with hash -217896198, now seen corresponding path program 1 times [2024-12-02 08:51:25,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:25,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56982393] [2024-12-02 08:51:25,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:25,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:25,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:25,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56982393] [2024-12-02 08:51:25,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56982393] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:25,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:25,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 08:51:25,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890238485] [2024-12-02 08:51:25,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:25,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 08:51:25,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:25,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 08:51:25,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:51:25,684 INFO L87 Difference]: Start difference. First operand 238 states and 334 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:25,914 INFO L93 Difference]: Finished difference Result 800 states and 1117 transitions. [2024-12-02 08:51:25,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:51:25,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2024-12-02 08:51:25,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:25,917 INFO L225 Difference]: With dead ends: 800 [2024-12-02 08:51:25,917 INFO L226 Difference]: Without dead ends: 565 [2024-12-02 08:51:25,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:51:25,918 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 171 mSDsluCounter, 883 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:25,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1062 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:51:25,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2024-12-02 08:51:25,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 459. [2024-12-02 08:51:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 426 states have (on average 1.3943661971830985) internal successors, (594), 426 states have internal predecessors, (594), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 08:51:25,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 650 transitions. [2024-12-02 08:51:25,942 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 650 transitions. Word has length 89 [2024-12-02 08:51:25,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:25,943 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 650 transitions. [2024-12-02 08:51:25,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 650 transitions. [2024-12-02 08:51:25,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 08:51:25,944 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:25,944 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:25,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 08:51:25,944 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:25,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:25,945 INFO L85 PathProgramCache]: Analyzing trace with hash -353095500, now seen corresponding path program 1 times [2024-12-02 08:51:25,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:25,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267029263] [2024-12-02 08:51:25,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:25,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:26,098 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:26,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:26,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267029263] [2024-12-02 08:51:26,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267029263] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:26,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:26,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:51:26,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777287361] [2024-12-02 08:51:26,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:26,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:51:26,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:26,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:51:26,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:51:26,100 INFO L87 Difference]: Start difference. First operand 459 states and 650 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:26,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:26,253 INFO L93 Difference]: Finished difference Result 1087 states and 1520 transitions. [2024-12-02 08:51:26,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:51:26,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 08:51:26,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:26,256 INFO L225 Difference]: With dead ends: 1087 [2024-12-02 08:51:26,256 INFO L226 Difference]: Without dead ends: 631 [2024-12-02 08:51:26,257 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:51:26,258 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 227 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:26,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 635 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:51:26,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-12-02 08:51:26,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 533. [2024-12-02 08:51:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 500 states have (on average 1.38) internal successors, (690), 500 states have internal predecessors, (690), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 08:51:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 746 transitions. [2024-12-02 08:51:26,285 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 746 transitions. Word has length 90 [2024-12-02 08:51:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:26,285 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 746 transitions. [2024-12-02 08:51:26,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 746 transitions. [2024-12-02 08:51:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 08:51:26,286 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:26,286 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:26,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 08:51:26,287 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:26,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:26,287 INFO L85 PathProgramCache]: Analyzing trace with hash -66064140, now seen corresponding path program 1 times [2024-12-02 08:51:26,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:26,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314260137] [2024-12-02 08:51:26,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:26,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:26,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:26,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314260137] [2024-12-02 08:51:26,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314260137] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:26,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:26,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:51:26,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763163506] [2024-12-02 08:51:26,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:26,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:51:26,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:26,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:51:26,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:51:26,400 INFO L87 Difference]: Start difference. First operand 533 states and 746 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:26,462 INFO L93 Difference]: Finished difference Result 1079 states and 1509 transitions. [2024-12-02 08:51:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 08:51:26,463 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 08:51:26,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:26,465 INFO L225 Difference]: With dead ends: 1079 [2024-12-02 08:51:26,465 INFO L226 Difference]: Without dead ends: 549 [2024-12-02 08:51:26,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:51:26,466 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:26,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 885 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:26,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-12-02 08:51:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 537. [2024-12-02 08:51:26,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 504 states have (on average 1.376984126984127) internal successors, (694), 504 states have internal predecessors, (694), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 08:51:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 750 transitions. [2024-12-02 08:51:26,487 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 750 transitions. Word has length 90 [2024-12-02 08:51:26,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:26,487 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 750 transitions. [2024-12-02 08:51:26,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:26,487 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 750 transitions. [2024-12-02 08:51:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 08:51:26,488 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:26,488 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:26,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 08:51:26,489 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:26,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:26,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1463893872, now seen corresponding path program 1 times [2024-12-02 08:51:26,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:26,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301642464] [2024-12-02 08:51:26,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:26,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:26,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:26,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301642464] [2024-12-02 08:51:26,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301642464] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:26,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:26,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:51:26,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475202054] [2024-12-02 08:51:26,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:26,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:51:26,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:26,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:51:26,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:51:26,530 INFO L87 Difference]: Start difference. First operand 537 states and 750 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:26,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:26,551 INFO L93 Difference]: Finished difference Result 1079 states and 1513 transitions. [2024-12-02 08:51:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:51:26,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 90 [2024-12-02 08:51:26,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:26,554 INFO L225 Difference]: With dead ends: 1079 [2024-12-02 08:51:26,554 INFO L226 Difference]: Without dead ends: 545 [2024-12-02 08:51:26,561 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 [2024-12-02 08:51:26,561 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:51:26,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 262 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:26,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2024-12-02 08:51:26,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 544. [2024-12-02 08:51:26,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 511 states have (on average 1.3718199608610568) internal successors, (701), 511 states have internal predecessors, (701), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-12-02 08:51:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 757 transitions. [2024-12-02 08:51:26,578 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 757 transitions. Word has length 90 [2024-12-02 08:51:26,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:26,578 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 757 transitions. [2024-12-02 08:51:26,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:26,578 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 757 transitions. [2024-12-02 08:51:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 08:51:26,579 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:26,579 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:26,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 08:51:26,579 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:26,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1242725522, now seen corresponding path program 1 times [2024-12-02 08:51:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:26,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007232580] [2024-12-02 08:51:26,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 08:51:26,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1474759378] [2024-12-02 08:51:26,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:26,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:51:26,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:51:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:51:26,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:51:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:51:26,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:51:26,959 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:51:26,960 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:51:26,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:51:27,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:27,164 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:27,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:51:27,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:51:27 BoogieIcfgContainer [2024-12-02 08:51:27,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:51:27,229 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:51:27,229 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:51:27,229 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:51:27,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:20" (3/4) ... [2024-12-02 08:51:27,231 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:51:27,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:51:27,233 INFO L158 Benchmark]: Toolchain (without parser) took 7481.38ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 92.4MB in the beginning and 173.1MB in the end (delta: -80.7MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-12-02 08:51:27,233 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:27,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.47ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:51:27,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.88ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:27,233 INFO L158 Benchmark]: Boogie Preprocessor took 59.51ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 71.3MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:51:27,234 INFO L158 Benchmark]: RCFGBuilder took 524.92ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 43.8MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 08:51:27,234 INFO L158 Benchmark]: TraceAbstraction took 6628.10ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 43.2MB in the beginning and 173.1MB in the end (delta: -129.9MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2024-12-02 08:51:27,234 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 251.7MB. Free memory was 173.1MB in the beginning and 173.1MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:27,236 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.47ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.2MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.88ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.51ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 71.3MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 524.92ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 43.8MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6628.10ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 43.2MB in the beginning and 173.1MB in the end (delta: -129.9MB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 251.7MB. Free memory was 173.1MB in the beginning and 173.1MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_1_ = 0; [L38] signed short int last_1_signed_short_int_Array_0_0_ = 256; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] isInitial = 1 [L91] FCALL initially() [L93] CALL updateLastVariables() [L82] EXPR BOOL_unsigned_char_Array_0[1] [L82] last_1_BOOL_unsigned_char_Array_0_1_ = BOOL_unsigned_char_Array_0[1] [L83] EXPR signed_short_int_Array_0[0] [L83] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L93] RET updateLastVariables() [L94] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] double_Array_0[0] = __VERIFIER_nondet_double() [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] double_Array_0[1] = __VERIFIER_nondet_double() [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[2] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] RET updateVariables() [L95] CALL step() [L42] COND TRUE (last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND FALSE !(last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] COND TRUE BOOL_unsigned_char_Array_0[0] [L52] EXPR float_Array_0[0] [L52] EXPR float_Array_0[1] [L52] EXPR double_Array_0[1] [L52] EXPR double_Array_0[2] [L52] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L52] COND FALSE !((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) [L55] EXPR unsigned_short_int_Array_0[0] [L55] signed_short_int_Array_0[0] = unsigned_short_int_Array_0[0] [L58] EXPR double_Array_0[1] [L58] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L58] EXPR double_Array_0[1] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] COND TRUE ((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !(last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) [L86] EXPR double_Array_0[1] [L86] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L86] EXPR double_Array_0[1] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) [L86] EXPR BOOL_unsigned_char_Array_0[1] [L86] EXPR BOOL_unsigned_char_Array_0[0] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86-L87] return ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 761 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 758 mSDsluCounter, 7253 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5715 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 727 IncrementalHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 1538 mSDtfsCounter, 727 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=11, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 402 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1206 NumberOfCodeBlocks, 1206 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1014 ConstructedInterpolants, 0 QuantifiedInterpolants, 2571 SizeOfPredicates, 0 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 996/1008 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 [2024-12-02 08:51:27,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/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_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1 --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 a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:51:29,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:51:29,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:51:29,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:51:29,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:51:29,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:51:29,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:51:29,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:51:29,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:51:29,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:51:29,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:51:29,289 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:51:29,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:51:29,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:51:29,289 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:51:29,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:51:29,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:51:29,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:51:29,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:51:29,290 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:29,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:29,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:29,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:29,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:51:29,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:29,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:29,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:29,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:51:29,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:51:29,292 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_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1 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 -> a613ff2a3df0465e812c3a4c7d1f8dd29bfe76a3da6f0fcdf62ac29017602d5e [2024-12-02 08:51:29,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:51:29,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:51:29,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:51:29,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:51:29,533 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:51:29,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-12-02 08:51:32,233 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/6adf4d672/8b72795f2cb74d52adc80d935fa9b5ad/FLAG05e37fb35 [2024-12-02 08:51:32,429 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:51:32,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2024-12-02 08:51:32,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/6adf4d672/8b72795f2cb74d52adc80d935fa9b5ad/FLAG05e37fb35 [2024-12-02 08:51:32,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/data/6adf4d672/8b72795f2cb74d52adc80d935fa9b5ad [2024-12-02 08:51:32,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:51:32,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:51:32,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:32,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:51:32,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:51:32,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6935891c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32, skipping insertion in model container [2024-12-02 08:51:32,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:51:32,614 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_c046bf3f-4c1b-4135-a6ba-b677110c1231/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-12-02 08:51:32,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:32,680 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:51:32,690 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_c046bf3f-4c1b-4135-a6ba-b677110c1231/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2024-12-02 08:51:32,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:32,750 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:51:32,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32 WrapperNode [2024-12-02 08:51:32,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:32,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:32,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:51:32,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:51:32,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,802 INFO L138 Inliner]: procedures = 36, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 402 [2024-12-02 08:51:32,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:32,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:51:32,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:51:32,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:51:32,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,838 INFO L175 MemorySlicer]: Split 91 memory accesses to 6 slices as follows [2, 14, 34, 16, 6, 19]. 37 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 3, 2, 1, 1]. The 12 writes are split as follows [0, 3, 3, 2, 2, 2]. [2024-12-02 08:51:32,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,862 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,868 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:51:32,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:51:32,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:51:32,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:51:32,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (1/1) ... [2024-12-02 08:51:32,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:32,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:32,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:51:32,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:51:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:51:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 08:51:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 08:51:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 08:51:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 08:51:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 08:51:32,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 08:51:32,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 08:51:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:51:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:51:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 08:51:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 08:51:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 08:51:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 08:51:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 08:51:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 08:51:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 08:51:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 08:51:33,089 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:51:33,090 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:51:45,481 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 08:51:45,481 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:51:45,492 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:51:45,492 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:51:45,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:45 BoogieIcfgContainer [2024-12-02 08:51:45,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:51:45,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:51:45,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:51:45,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:51:45,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:32" (1/3) ... [2024-12-02 08:51:45,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1965d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:45, skipping insertion in model container [2024-12-02 08:51:45,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:32" (2/3) ... [2024-12-02 08:51:45,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1965d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:45, skipping insertion in model container [2024-12-02 08:51:45,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:45" (3/3) ... [2024-12-02 08:51:45,501 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2024-12-02 08:51:45,514 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:51:45,515 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-21.i that has 2 procedures, 96 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:51:45,552 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:51:45,569 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;@4963e791, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:51:45,569 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:51:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 08:51:45,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:51:45,582 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:45,582 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:45,583 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:45,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:45,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1393676978, now seen corresponding path program 1 times [2024-12-02 08:51:45,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:51:45,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347616409] [2024-12-02 08:51:45,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:45,596 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 [2024-12-02 08:51:45,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:51:45,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:51:45,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:51:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:45,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:51:45,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:51:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 08:51:45,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:51:45,941 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:51:45,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347616409] [2024-12-02 08:51:45,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347616409] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:45,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:45,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:51:45,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127872131] [2024-12-02 08:51:45,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:45,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:51:45,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:51:45,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:51:45,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:45,966 INFO L87 Difference]: Start difference. First operand has 96 states, 86 states have (on average 1.4883720930232558) internal successors, (128), 87 states have internal predecessors, (128), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:45,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:45,990 INFO L93 Difference]: Finished difference Result 185 states and 285 transitions. [2024-12-02 08:51:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:51:45,992 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-12-02 08:51:45,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:45,998 INFO L225 Difference]: With dead ends: 185 [2024-12-02 08:51:45,998 INFO L226 Difference]: Without dead ends: 92 [2024-12-02 08:51:46,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:46,003 INFO L435 NwaCegarLoop]: 135 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, 135 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 [2024-12-02 08:51:46,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:51:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-12-02 08:51:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-12-02 08:51:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 08:51:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 135 transitions. [2024-12-02 08:51:46,041 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 135 transitions. Word has length 80 [2024-12-02 08:51:46,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:46,041 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 135 transitions. [2024-12-02 08:51:46,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:46,041 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2024-12-02 08:51:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:51:46,044 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:46,044 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:46,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:51:46,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:51:46,245 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:46,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:46,246 INFO L85 PathProgramCache]: Analyzing trace with hash -259048304, now seen corresponding path program 1 times [2024-12-02 08:51:46,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:51:46,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897117126] [2024-12-02 08:51:46,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:46,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:51:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:51:46,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:51:46,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:51:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:46,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:51:46,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:51:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-02 08:51:46,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:51:46,617 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:51:46,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897117126] [2024-12-02 08:51:46,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897117126] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:46,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:46,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:51:46,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050081837] [2024-12-02 08:51:46,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:46,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:51:46,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:51:46,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:51:46,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:51:46,620 INFO L87 Difference]: Start difference. First operand 92 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:46,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:46,709 INFO L93 Difference]: Finished difference Result 183 states and 270 transitions. [2024-12-02 08:51:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:51:46,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-12-02 08:51:46,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:46,710 INFO L225 Difference]: With dead ends: 183 [2024-12-02 08:51:46,711 INFO L226 Difference]: Without dead ends: 94 [2024-12-02 08:51:46,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:51:46,711 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 388 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 [2024-12-02 08:51:46,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 388 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:51:46,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-12-02 08:51:46,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-12-02 08:51:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 08:51:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 137 transitions. [2024-12-02 08:51:46,718 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 137 transitions. Word has length 80 [2024-12-02 08:51:46,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:46,719 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 137 transitions. [2024-12-02 08:51:46,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:51:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-12-02 08:51:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-12-02 08:51:46,721 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:46,721 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:46,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 08:51:46,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:51:46,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:46,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:46,922 INFO L85 PathProgramCache]: Analyzing trace with hash 158348302, now seen corresponding path program 1 times [2024-12-02 08:51:46,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:51:46,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1735839897] [2024-12-02 08:51:46,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:46,923 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 [2024-12-02 08:51:46,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:51:46,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:51:46,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:51:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:47,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 08:51:47,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:51:47,320 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 [2024-12-02 08:51:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:51:47,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:51:47,712 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:51:47,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1735839897] [2024-12-02 08:51:47,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1735839897] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:47,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:47,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:51:47,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155343604] [2024-12-02 08:51:47,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:47,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:51:47,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:51:47,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:51:47,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:51:47,715 INFO L87 Difference]: Start difference. First operand 94 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:51:50,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:51:52,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:51:56,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:51:58,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:01,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:02,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:02,087 INFO L93 Difference]: Finished difference Result 307 states and 449 transitions. [2024-12-02 08:52:02,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:52:02,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2024-12-02 08:52:02,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:02,089 INFO L225 Difference]: With dead ends: 307 [2024-12-02 08:52:02,089 INFO L226 Difference]: Without dead ends: 216 [2024-12-02 08:52:02,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:52:02,090 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 236 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:02,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 370 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2024-12-02 08:52:02,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-12-02 08:52:02,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 189. [2024-12-02 08:52:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 172 states have (on average 1.430232558139535) internal successors, (246), 172 states have internal predecessors, (246), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:02,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 274 transitions. [2024-12-02 08:52:02,115 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 274 transitions. Word has length 80 [2024-12-02 08:52:02,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:02,115 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 274 transitions. [2024-12-02 08:52:02,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:02,115 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 274 transitions. [2024-12-02 08:52:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-12-02 08:52:02,117 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:02,117 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:02,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:02,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:02,317 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:02,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:02,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1038830393, now seen corresponding path program 1 times [2024-12-02 08:52:02,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:02,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565647699] [2024-12-02 08:52:02,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:02,319 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 [2024-12-02 08:52:02,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:02,321 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:02,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:02,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 08:52:02,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:03,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-02 08:52:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 08:52:03,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:52:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-02 08:52:04,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:04,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565647699] [2024-12-02 08:52:04,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565647699] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:52:04,058 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:52:04,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 16 [2024-12-02 08:52:04,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441753167] [2024-12-02 08:52:04,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:52:04,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 08:52:04,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:04,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 08:52:04,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-12-02 08:52:04,060 INFO L87 Difference]: Start difference. First operand 189 states and 274 transitions. Second operand has 16 states, 12 states have (on average 7.583333333333333) internal successors, (91), 16 states have internal predecessors, (91), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-12-02 08:52:04,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:04,712 INFO L93 Difference]: Finished difference Result 360 states and 512 transitions. [2024-12-02 08:52:04,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 08:52:04,713 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 12 states have (on average 7.583333333333333) internal successors, (91), 16 states have internal predecessors, (91), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) Word has length 83 [2024-12-02 08:52:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:04,715 INFO L225 Difference]: With dead ends: 360 [2024-12-02 08:52:04,715 INFO L226 Difference]: Without dead ends: 174 [2024-12-02 08:52:04,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-12-02 08:52:04,717 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 176 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 788 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:04,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 788 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 08:52:04,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-12-02 08:52:04,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-12-02 08:52:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 153 states have internal predecessors, (211), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:04,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2024-12-02 08:52:04,733 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 83 [2024-12-02 08:52:04,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:04,734 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2024-12-02 08:52:04,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 12 states have (on average 7.583333333333333) internal successors, (91), 16 states have internal predecessors, (91), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-12-02 08:52:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2024-12-02 08:52:04,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-02 08:52:04,735 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:04,736 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:04,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:04,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:04,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:04,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:04,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1596084527, now seen corresponding path program 1 times [2024-12-02 08:52:04,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:04,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [521442888] [2024-12-02 08:52:04,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:04,938 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 [2024-12-02 08:52:04,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:04,939 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:04,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:05,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:52:05,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:52:05,351 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:52:05,351 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:05,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [521442888] [2024-12-02 08:52:05,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [521442888] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:05,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:05,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:52:05,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691059257] [2024-12-02 08:52:05,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:05,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:52:05,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:05,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:52:05,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:52:05,353 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:05,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:05,463 INFO L93 Difference]: Finished difference Result 276 states and 382 transitions. [2024-12-02 08:52:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:52:05,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 84 [2024-12-02 08:52:05,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:05,464 INFO L225 Difference]: With dead ends: 276 [2024-12-02 08:52:05,464 INFO L226 Difference]: Without dead ends: 177 [2024-12-02 08:52:05,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:52:05,465 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:05,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 509 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:52:05,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-12-02 08:52:05,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2024-12-02 08:52:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.3717948717948718) internal successors, (214), 156 states have internal predecessors, (214), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 242 transitions. [2024-12-02 08:52:05,476 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 242 transitions. Word has length 84 [2024-12-02 08:52:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:05,477 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 242 transitions. [2024-12-02 08:52:05,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 242 transitions. [2024-12-02 08:52:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-02 08:52:05,478 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:05,478 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:05,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 08:52:05,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:05,679 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:05,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:05,679 INFO L85 PathProgramCache]: Analyzing trace with hash -205138822, now seen corresponding path program 1 times [2024-12-02 08:52:05,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:05,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256074614] [2024-12-02 08:52:05,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:05,680 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 [2024-12-02 08:52:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:05,681 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:05,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:06,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:52:06,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:06,358 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 77 treesize of output 41 [2024-12-02 08:52:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-12-02 08:52:06,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:52:06,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:06,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256074614] [2024-12-02 08:52:06,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1256074614] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:06,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:06,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:52:06,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760645736] [2024-12-02 08:52:06,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:06,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:52:06,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:06,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:52:06,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:52:06,412 INFO L87 Difference]: Start difference. First operand 177 states and 242 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:52:09,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:10,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:13,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:15,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:15,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:15,894 INFO L93 Difference]: Finished difference Result 311 states and 426 transitions. [2024-12-02 08:52:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:52:15,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2024-12-02 08:52:15,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:15,918 INFO L225 Difference]: With dead ends: 311 [2024-12-02 08:52:15,918 INFO L226 Difference]: Without dead ends: 179 [2024-12-02 08:52:15,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:52:15,919 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 101 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:15,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 407 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2024-12-02 08:52:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-12-02 08:52:15,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2024-12-02 08:52:15,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.358974358974359) internal successors, (212), 156 states have internal predecessors, (212), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 240 transitions. [2024-12-02 08:52:15,927 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 240 transitions. Word has length 88 [2024-12-02 08:52:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:15,927 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 240 transitions. [2024-12-02 08:52:15,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:52:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 240 transitions. [2024-12-02 08:52:15,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-02 08:52:15,928 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:15,928 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:15,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 08:52:16,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:16,129 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:16,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:16,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1014561932, now seen corresponding path program 1 times [2024-12-02 08:52:16,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:16,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [223178330] [2024-12-02 08:52:16,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:16,130 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 [2024-12-02 08:52:16,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:16,131 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:16,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:16,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:52:16,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:16,819 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 95 treesize of output 41 [2024-12-02 08:52:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-02 08:52:16,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:52:16,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:16,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [223178330] [2024-12-02 08:52:16,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [223178330] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:16,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:16,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:52:16,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095286358] [2024-12-02 08:52:16,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:16,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:52:16,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:16,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:52:16,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:52:16,876 INFO L87 Difference]: Start difference. First operand 177 states and 240 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:52:19,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:21,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:24,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:26,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:52:26,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:26,701 INFO L93 Difference]: Finished difference Result 304 states and 412 transitions. [2024-12-02 08:52:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:52:26,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 90 [2024-12-02 08:52:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:26,720 INFO L225 Difference]: With dead ends: 304 [2024-12-02 08:52:26,720 INFO L226 Difference]: Without dead ends: 179 [2024-12-02 08:52:26,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:52:26,720 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 92 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:26,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 402 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2024-12-02 08:52:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-12-02 08:52:26,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2024-12-02 08:52:26,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.3461538461538463) internal successors, (210), 156 states have internal predecessors, (210), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:26,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 238 transitions. [2024-12-02 08:52:26,727 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 238 transitions. Word has length 90 [2024-12-02 08:52:26,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:26,728 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 238 transitions. [2024-12-02 08:52:26,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-12-02 08:52:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 238 transitions. [2024-12-02 08:52:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-02 08:52:26,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:26,728 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:26,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Forceful destruction successful, exit code 0 [2024-12-02 08:52:26,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:26,929 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:26,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:26,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1284278854, now seen corresponding path program 1 times [2024-12-02 08:52:26,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:26,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1551840839] [2024-12-02 08:52:26,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:26,930 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 [2024-12-02 08:52:26,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:26,931 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:26,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:27,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 08:52:27,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:27,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-02 08:52:28,782 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 46 treesize of output 33 [2024-12-02 08:52:29,097 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:52:29,097 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 86 treesize of output 44 [2024-12-02 08:52:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 08:52:29,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:52:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:52:29,558 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:29,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1551840839] [2024-12-02 08:52:29,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1551840839] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:52:29,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:52:29,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 17 [2024-12-02 08:52:29,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912307677] [2024-12-02 08:52:29,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:29,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:52:29,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:29,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:52:29,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-12-02 08:52:29,560 INFO L87 Difference]: Start difference. First operand 177 states and 238 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:29,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:29,870 INFO L93 Difference]: Finished difference Result 319 states and 431 transitions. [2024-12-02 08:52:29,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:52:29,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 92 [2024-12-02 08:52:29,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:29,872 INFO L225 Difference]: With dead ends: 319 [2024-12-02 08:52:29,872 INFO L226 Difference]: Without dead ends: 217 [2024-12-02 08:52:29,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-12-02 08:52:29,873 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 37 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:29,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 618 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:52:29,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-12-02 08:52:29,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 197. [2024-12-02 08:52:29,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 176 states have (on average 1.3409090909090908) internal successors, (236), 176 states have internal predecessors, (236), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 264 transitions. [2024-12-02 08:52:29,885 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 264 transitions. Word has length 92 [2024-12-02 08:52:29,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:29,885 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 264 transitions. [2024-12-02 08:52:29,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 264 transitions. [2024-12-02 08:52:29,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 08:52:29,886 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:29,886 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:29,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:30,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:30,087 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:30,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:30,087 INFO L85 PathProgramCache]: Analyzing trace with hash -651573371, now seen corresponding path program 1 times [2024-12-02 08:52:30,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:30,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2121441139] [2024-12-02 08:52:30,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:30,087 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 [2024-12-02 08:52:30,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:30,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:30,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:30,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 08:52:30,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:31,339 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 38 treesize of output 29 [2024-12-02 08:52:31,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:52:31,856 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 42 treesize of output 20 [2024-12-02 08:52:31,933 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-02 08:52:31,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:52:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-02 08:52:32,891 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:32,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2121441139] [2024-12-02 08:52:32,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2121441139] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:52:32,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:52:32,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 24 [2024-12-02 08:52:32,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111946074] [2024-12-02 08:52:32,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:52:32,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-02 08:52:32,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:32,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-02 08:52:32,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2024-12-02 08:52:32,893 INFO L87 Difference]: Start difference. First operand 197 states and 264 transitions. Second operand has 24 states, 20 states have (on average 6.2) internal successors, (124), 24 states have internal predecessors, (124), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-12-02 08:52:34,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:34,168 INFO L93 Difference]: Finished difference Result 341 states and 458 transitions. [2024-12-02 08:52:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-12-02 08:52:34,169 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 20 states have (on average 6.2) internal successors, (124), 24 states have internal predecessors, (124), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) Word has length 94 [2024-12-02 08:52:34,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:34,171 INFO L225 Difference]: With dead ends: 341 [2024-12-02 08:52:34,171 INFO L226 Difference]: Without dead ends: 222 [2024-12-02 08:52:34,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 163 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=244, Invalid=812, Unknown=0, NotChecked=0, Total=1056 [2024-12-02 08:52:34,172 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 690 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:34,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1171 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 08:52:34,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-12-02 08:52:34,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 197. [2024-12-02 08:52:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 176 states have (on average 1.3352272727272727) internal successors, (235), 176 states have internal predecessors, (235), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-12-02 08:52:34,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 263 transitions. [2024-12-02 08:52:34,183 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 263 transitions. Word has length 94 [2024-12-02 08:52:34,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:34,183 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 263 transitions. [2024-12-02 08:52:34,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 20 states have (on average 6.2) internal successors, (124), 24 states have internal predecessors, (124), 6 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 2 states have call predecessors, (14), 6 states have call successors, (14) [2024-12-02 08:52:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 263 transitions. [2024-12-02 08:52:34,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 08:52:34,184 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:34,184 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:34,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:34,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:34,386 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:34,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash 864621008, now seen corresponding path program 1 times [2024-12-02 08:52:34,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:34,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050076971] [2024-12-02 08:52:34,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:34,389 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 [2024-12-02 08:52:34,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:34,395 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:34,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:34,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:52:34,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:34,846 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 08:52:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:52:35,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:52:35,145 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:35,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050076971] [2024-12-02 08:52:35,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050076971] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:52:35,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:52:35,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:52:35,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133960754] [2024-12-02 08:52:35,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:35,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:52:35,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:35,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:52:35,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:52:35,146 INFO L87 Difference]: Start difference. First operand 197 states and 263 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:35,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:35,380 INFO L93 Difference]: Finished difference Result 492 states and 662 transitions. [2024-12-02 08:52:35,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:52:35,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 08:52:35,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:35,382 INFO L225 Difference]: With dead ends: 492 [2024-12-02 08:52:35,382 INFO L226 Difference]: Without dead ends: 369 [2024-12-02 08:52:35,383 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:52:35,383 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 232 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:35,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 574 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:52:35,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-12-02 08:52:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 298. [2024-12-02 08:52:35,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 267 states have (on average 1.3333333333333333) internal successors, (356), 267 states have internal predecessors, (356), 21 states have call successors, (21), 9 states have call predecessors, (21), 9 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 08:52:35,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 398 transitions. [2024-12-02 08:52:35,394 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 398 transitions. Word has length 94 [2024-12-02 08:52:35,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:35,394 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 398 transitions. [2024-12-02 08:52:35,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:35,394 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 398 transitions. [2024-12-02 08:52:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 08:52:35,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:35,395 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:35,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 08:52:35,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:35,596 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:35,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:35,598 INFO L85 PathProgramCache]: Analyzing trace with hash -723726894, now seen corresponding path program 1 times [2024-12-02 08:52:35,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:35,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25302881] [2024-12-02 08:52:35,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:35,600 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 [2024-12-02 08:52:35,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:35,605 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:35,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:36,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 08:52:36,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:38,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:52:38,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 365 treesize of output 113 [2024-12-02 08:52:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:52:38,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:52:39,799 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:52:39,799 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:39,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25302881] [2024-12-02 08:52:39,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25302881] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:52:39,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:52:39,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 18 [2024-12-02 08:52:39,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104837027] [2024-12-02 08:52:39,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:39,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:52:39,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:39,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:52:39,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-12-02 08:52:39,800 INFO L87 Difference]: Start difference. First operand 298 states and 398 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:41,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:41,552 INFO L93 Difference]: Finished difference Result 658 states and 872 transitions. [2024-12-02 08:52:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:52:41,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 08:52:41,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:41,555 INFO L225 Difference]: With dead ends: 658 [2024-12-02 08:52:41,556 INFO L226 Difference]: Without dead ends: 438 [2024-12-02 08:52:41,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-12-02 08:52:41,557 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 116 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:41,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 614 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 08:52:41,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-12-02 08:52:41,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 434. [2024-12-02 08:52:41,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 390 states have (on average 1.317948717948718) internal successors, (514), 392 states have internal predecessors, (514), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:52:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 568 transitions. [2024-12-02 08:52:41,590 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 568 transitions. Word has length 94 [2024-12-02 08:52:41,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:41,590 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 568 transitions. [2024-12-02 08:52:41,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 568 transitions. [2024-12-02 08:52:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 08:52:41,591 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:41,591 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:41,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:41,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:41,793 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:41,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:41,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1116753904, now seen corresponding path program 1 times [2024-12-02 08:52:41,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:41,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165165059] [2024-12-02 08:52:41,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:41,796 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 [2024-12-02 08:52:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:41,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:41,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:42,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 08:52:42,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:44,747 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:52:44,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:52:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:52:47,471 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:47,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165165059] [2024-12-02 08:52:47,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165165059] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:52:47,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:52:47,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 19 [2024-12-02 08:52:47,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642391514] [2024-12-02 08:52:47,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:47,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 08:52:47,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:47,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 08:52:47,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-12-02 08:52:47,473 INFO L87 Difference]: Start difference. First operand 434 states and 568 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:52,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:52:52,193 INFO L93 Difference]: Finished difference Result 867 states and 1141 transitions. [2024-12-02 08:52:52,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 08:52:52,195 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 08:52:52,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:52:52,197 INFO L225 Difference]: With dead ends: 867 [2024-12-02 08:52:52,197 INFO L226 Difference]: Without dead ends: 522 [2024-12-02 08:52:52,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-12-02 08:52:52,198 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 178 mSDsluCounter, 712 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:52:52,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 880 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 08:52:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-12-02 08:52:52,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 434. [2024-12-02 08:52:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 390 states have (on average 1.3128205128205128) internal successors, (512), 392 states have internal predecessors, (512), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:52:52,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 566 transitions. [2024-12-02 08:52:52,236 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 566 transitions. Word has length 94 [2024-12-02 08:52:52,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:52:52,237 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 566 transitions. [2024-12-02 08:52:52,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:52:52,237 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 566 transitions. [2024-12-02 08:52:52,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-02 08:52:52,238 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:52:52,238 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:52:52,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:52,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:52:52,438 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:52:52,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:52:52,439 INFO L85 PathProgramCache]: Analyzing trace with hash -301025068, now seen corresponding path program 1 times [2024-12-02 08:52:52,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:52:52,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5601626] [2024-12-02 08:52:52,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:52:52,439 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 [2024-12-02 08:52:52,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:52:52,441 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:52:52,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:52:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:52:52,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 08:52:52,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:52:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-12-02 08:52:55,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:52:57,607 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:52:57,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:52:57,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5601626] [2024-12-02 08:52:57,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5601626] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:52:57,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:52:57,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 18 [2024-12-02 08:52:57,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486362867] [2024-12-02 08:52:57,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:52:57,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:52:57,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:52:57,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:52:57,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-12-02 08:52:57,609 INFO L87 Difference]: Start difference. First operand 434 states and 566 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:53:01,101 INFO L93 Difference]: Finished difference Result 867 states and 1135 transitions. [2024-12-02 08:53:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:53:01,103 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 94 [2024-12-02 08:53:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:53:01,105 INFO L225 Difference]: With dead ends: 867 [2024-12-02 08:53:01,105 INFO L226 Difference]: Without dead ends: 522 [2024-12-02 08:53:01,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-12-02 08:53:01,106 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 174 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:53:01,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 746 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-12-02 08:53:01,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-12-02 08:53:01,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 430. [2024-12-02 08:53:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 386 states have (on average 1.310880829015544) internal successors, (506), 388 states have internal predecessors, (506), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:53:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 560 transitions. [2024-12-02 08:53:01,142 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 560 transitions. Word has length 94 [2024-12-02 08:53:01,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:53:01,143 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 560 transitions. [2024-12-02 08:53:01,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 560 transitions. [2024-12-02 08:53:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 08:53:01,143 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:53:01,144 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:53:01,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:01,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:53:01,344 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:53:01,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:53:01,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1146022108, now seen corresponding path program 1 times [2024-12-02 08:53:01,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:53:01,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2112964574] [2024-12-02 08:53:01,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:53:01,345 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 [2024-12-02 08:53:01,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:53:01,347 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:53:01,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:53:01,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:53:01,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:53:01,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-12-02 08:53:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:53:02,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:53:02,186 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:53:02,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2112964574] [2024-12-02 08:53:02,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2112964574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:53:02,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:53:02,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:53:02,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418729907] [2024-12-02 08:53:02,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:53:02,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:53:02,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:53:02,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:53:02,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:53:02,187 INFO L87 Difference]: Start difference. First operand 430 states and 560 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:02,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:53:02,525 INFO L93 Difference]: Finished difference Result 877 states and 1151 transitions. [2024-12-02 08:53:02,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:53:02,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 95 [2024-12-02 08:53:02,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:53:02,529 INFO L225 Difference]: With dead ends: 877 [2024-12-02 08:53:02,529 INFO L226 Difference]: Without dead ends: 536 [2024-12-02 08:53:02,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:53:02,530 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 205 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:53:02,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 618 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 08:53:02,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-12-02 08:53:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 479. [2024-12-02 08:53:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 435 states have (on average 1.3126436781609196) internal successors, (571), 437 states have internal predecessors, (571), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:53:02,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 625 transitions. [2024-12-02 08:53:02,572 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 625 transitions. Word has length 95 [2024-12-02 08:53:02,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:53:02,572 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 625 transitions. [2024-12-02 08:53:02,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:02,572 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 625 transitions. [2024-12-02 08:53:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-02 08:53:02,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:53:02,573 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:53:02,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 08:53:02,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:53:02,773 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:53:02,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:53:02,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1433053468, now seen corresponding path program 1 times [2024-12-02 08:53:02,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:53:02,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22393931] [2024-12-02 08:53:02,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:53:02,774 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 [2024-12-02 08:53:02,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:53:02,776 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:53:02,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:53:03,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:53:03,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:53:03,266 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:53:03,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:53:03,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:53:03,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22393931] [2024-12-02 08:53:03,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22393931] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:53:03,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:53:03,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 08:53:03,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75832389] [2024-12-02 08:53:03,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:53:03,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:53:03,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:53:03,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:53:03,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:53:03,268 INFO L87 Difference]: Start difference. First operand 479 states and 625 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:03,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:53:03,386 INFO L93 Difference]: Finished difference Result 885 states and 1160 transitions. [2024-12-02 08:53:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:53:03,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 95 [2024-12-02 08:53:03,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:53:03,388 INFO L225 Difference]: With dead ends: 885 [2024-12-02 08:53:03,388 INFO L226 Difference]: Without dead ends: 495 [2024-12-02 08:53:03,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:53:03,389 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:53:03,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 625 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:53:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2024-12-02 08:53:03,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 492. [2024-12-02 08:53:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 448 states have (on average 1.3035714285714286) internal successors, (584), 450 states have internal predecessors, (584), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 25 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:53:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 638 transitions. [2024-12-02 08:53:03,428 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 638 transitions. Word has length 95 [2024-12-02 08:53:03,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:53:03,428 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 638 transitions. [2024-12-02 08:53:03,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 638 transitions. [2024-12-02 08:53:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-02 08:53:03,429 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:53:03,430 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:53:03,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:03,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:53:03,630 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:53:03,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:53:03,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1818247859, now seen corresponding path program 1 times [2024-12-02 08:53:03,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:53:03,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1520639321] [2024-12-02 08:53:03,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:53:03,631 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 [2024-12-02 08:53:03,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:53:03,632 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:53:03,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:53:04,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 08:53:04,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:53:04,429 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 [2024-12-02 08:53:04,617 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 [2024-12-02 08:53:04,621 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 53 treesize of output 33 [2024-12-02 08:53:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:53:04,729 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:53:04,729 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:53:04,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1520639321] [2024-12-02 08:53:04,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1520639321] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:53:04,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:53:04,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 08:53:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960180114] [2024-12-02 08:53:04,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:53:04,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 08:53:04,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:53:04,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 08:53:04,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 08:53:04,730 INFO L87 Difference]: Start difference. First operand 492 states and 638 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:06,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:10,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:13,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:15,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:18,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:22,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:25,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:27,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:28,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:33,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:36,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:39,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:39,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:53:39,383 INFO L93 Difference]: Finished difference Result 1339 states and 1741 transitions. [2024-12-02 08:53:39,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:53:39,384 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 96 [2024-12-02 08:53:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:53:39,388 INFO L225 Difference]: With dead ends: 1339 [2024-12-02 08:53:39,388 INFO L226 Difference]: Without dead ends: 1337 [2024-12-02 08:53:39,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-12-02 08:53:39,389 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 220 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:53:39,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1360 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 208 Invalid, 1 Unknown, 0 Unchecked, 34.4s Time] [2024-12-02 08:53:39,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2024-12-02 08:53:39,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1121. [2024-12-02 08:53:39,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1045 states have (on average 1.3110047846889952) internal successors, (1370), 1049 states have internal predecessors, (1370), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 08:53:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1464 transitions. [2024-12-02 08:53:39,458 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1464 transitions. Word has length 96 [2024-12-02 08:53:39,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:53:39,458 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1464 transitions. [2024-12-02 08:53:39,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1464 transitions. [2024-12-02 08:53:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 08:53:39,459 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:53:39,460 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:53:39,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:39,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:53:39,660 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:53:39,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:53:39,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1322489422, now seen corresponding path program 1 times [2024-12-02 08:53:39,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:53:39,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391847720] [2024-12-02 08:53:39,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:53:39,661 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 [2024-12-02 08:53:39,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:53:39,663 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:53:39,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:53:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:53:40,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 08:53:40,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:53:40,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-02 08:53:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:53:40,618 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:53:40,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:53:40,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391847720] [2024-12-02 08:53:40,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391847720] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:53:40,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:53:40,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:53:40,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669732581] [2024-12-02 08:53:40,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:53:40,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:53:40,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:53:40,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:53:40,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:53:40,619 INFO L87 Difference]: Start difference. First operand 1121 states and 1464 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:53:44,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:47,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:49,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:53,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:53:57,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:00,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:02,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:06,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:07,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:07,034 INFO L93 Difference]: Finished difference Result 2156 states and 2820 transitions. [2024-12-02 08:54:07,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:54:07,035 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 98 [2024-12-02 08:54:07,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:07,038 INFO L225 Difference]: With dead ends: 2156 [2024-12-02 08:54:07,038 INFO L226 Difference]: Without dead ends: 1123 [2024-12-02 08:54:07,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:54:07,040 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 75 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:07,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 369 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 2 Unknown, 0 Unchecked, 26.3s Time] [2024-12-02 08:54:07,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states. [2024-12-02 08:54:07,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 1121. [2024-12-02 08:54:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1045 states have (on average 1.308133971291866) internal successors, (1367), 1049 states have internal predecessors, (1367), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 08:54:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1461 transitions. [2024-12-02 08:54:07,119 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1461 transitions. Word has length 98 [2024-12-02 08:54:07,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:07,119 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1461 transitions. [2024-12-02 08:54:07,120 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:54:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1461 transitions. [2024-12-02 08:54:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 08:54:07,120 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:07,121 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:54:07,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 08:54:07,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:54:07,321 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:07,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:07,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1384529036, now seen corresponding path program 1 times [2024-12-02 08:54:07,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:07,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1733563802] [2024-12-02 08:54:07,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:07,322 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 [2024-12-02 08:54:07,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:07,324 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:54:07,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:54:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:07,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 08:54:07,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:08,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 08:54:08,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2024-12-02 08:54:08,446 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 57 treesize of output 37 [2024-12-02 08:54:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:54:08,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:54:08,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:08,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1733563802] [2024-12-02 08:54:08,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1733563802] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:08,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:08,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 08:54:08,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772812085] [2024-12-02 08:54:08,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:08,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:54:08,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:08,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:54:08,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:54:08,583 INFO L87 Difference]: Start difference. First operand 1121 states and 1461 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:54:11,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:14,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:17,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:19,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:23,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:27,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:29,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:31,882 WARN L539 Checker$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 [] [2024-12-02 08:54:35,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:37,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:37,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:54:37,505 INFO L93 Difference]: Finished difference Result 1145 states and 1487 transitions. [2024-12-02 08:54:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 08:54:37,505 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 98 [2024-12-02 08:54:37,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:54:37,509 INFO L225 Difference]: With dead ends: 1145 [2024-12-02 08:54:37,509 INFO L226 Difference]: Without dead ends: 1143 [2024-12-02 08:54:37,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-12-02 08:54:37,510 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 171 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 1459 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:54:37,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 1459 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 28.6s Time] [2024-12-02 08:54:37,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-12-02 08:54:37,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 913. [2024-12-02 08:54:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 837 states have (on average 1.2998805256869772) internal successors, (1088), 841 states have internal predecessors, (1088), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 08:54:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1182 transitions. [2024-12-02 08:54:37,577 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1182 transitions. Word has length 98 [2024-12-02 08:54:37,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:54:37,577 INFO L471 AbstractCegarLoop]: Abstraction has 913 states and 1182 transitions. [2024-12-02 08:54:37,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:54:37,577 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1182 transitions. [2024-12-02 08:54:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-02 08:54:37,578 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:54:37,578 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:54:37,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:54:37,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:54:37,778 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:54:37,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:54:37,779 INFO L85 PathProgramCache]: Analyzing trace with hash 2054950284, now seen corresponding path program 1 times [2024-12-02 08:54:37,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:54:37,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1993110026] [2024-12-02 08:54:37,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:54:37,779 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 [2024-12-02 08:54:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:54:37,781 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:54:37,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:54:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:54:38,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-02 08:54:38,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:54:38,652 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 [2024-12-02 08:54:38,886 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 [2024-12-02 08:54:38,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-12-02 08:54:39,116 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:54:39,117 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:54:39,117 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:54:39,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1993110026] [2024-12-02 08:54:39,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1993110026] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:54:39,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:54:39,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 08:54:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939831516] [2024-12-02 08:54:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:54:39,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 08:54:39,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:54:39,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 08:54:39,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 08:54:39,118 INFO L87 Difference]: Start difference. First operand 913 states and 1182 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:54:41,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:45,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:47,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:50,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:53,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:54:56,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:00,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:03,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:05,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:09,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:12,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:15,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:55:15,887 INFO L93 Difference]: Finished difference Result 1371 states and 1768 transitions. [2024-12-02 08:55:15,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 08:55:15,887 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 98 [2024-12-02 08:55:15,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:55:15,890 INFO L225 Difference]: With dead ends: 1371 [2024-12-02 08:55:15,890 INFO L226 Difference]: Without dead ends: 1369 [2024-12-02 08:55:15,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-12-02 08:55:15,891 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 215 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2024-12-02 08:55:15,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 1711 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 36.4s Time] [2024-12-02 08:55:15,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2024-12-02 08:55:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1129. [2024-12-02 08:55:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1129 states, 1053 states have (on average 1.3095916429249763) internal successors, (1379), 1057 states have internal predecessors, (1379), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 08:55:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1473 transitions. [2024-12-02 08:55:15,954 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1473 transitions. Word has length 98 [2024-12-02 08:55:15,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:55:15,955 INFO L471 AbstractCegarLoop]: Abstraction has 1129 states and 1473 transitions. [2024-12-02 08:55:15,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 10 states have internal predecessors, (66), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:55:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1473 transitions. [2024-12-02 08:55:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-02 08:55:15,955 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:55:15,956 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:55:15,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:55:16,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:55:16,156 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:55:16,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:55:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1862989093, now seen corresponding path program 1 times [2024-12-02 08:55:16,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:55:16,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065777599] [2024-12-02 08:55:16,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:55:16,157 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 [2024-12-02 08:55:16,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:55:16,159 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:55:16,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:55:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:55:16,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 08:55:16,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:55:17,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-12-02 08:55:17,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-12-02 08:55:17,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2024-12-02 08:55:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 08:55:17,559 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:55:17,559 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:55:17,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065777599] [2024-12-02 08:55:17,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065777599] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:55:17,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:55:17,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 08:55:17,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807780347] [2024-12-02 08:55:17,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:55:17,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:55:17,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:55:17,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:55:17,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:55:17,560 INFO L87 Difference]: Start difference. First operand 1129 states and 1473 transitions. Second operand has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:55:21,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:24,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:28,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:32,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:35,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:37,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:39,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:42,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:47,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:52,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:55:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:55:53,567 INFO L93 Difference]: Finished difference Result 1145 states and 1491 transitions. [2024-12-02 08:55:53,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 08:55:53,567 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 100 [2024-12-02 08:55:53,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:55:53,570 INFO L225 Difference]: With dead ends: 1145 [2024-12-02 08:55:53,570 INFO L226 Difference]: Without dead ends: 1143 [2024-12-02 08:55:53,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2024-12-02 08:55:53,571 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 130 mSDsluCounter, 1657 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1849 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2024-12-02 08:55:53,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1849 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 345 Invalid, 2 Unknown, 0 Unchecked, 35.6s Time] [2024-12-02 08:55:53,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-12-02 08:55:53,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 905. [2024-12-02 08:55:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 905 states, 829 states have (on average 1.3027744270205066) internal successors, (1080), 833 states have internal predecessors, (1080), 47 states have call successors, (47), 28 states have call predecessors, (47), 28 states have return successors, (47), 43 states have call predecessors, (47), 47 states have call successors, (47) [2024-12-02 08:55:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1174 transitions. [2024-12-02 08:55:53,613 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1174 transitions. Word has length 100 [2024-12-02 08:55:53,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:55:53,614 INFO L471 AbstractCegarLoop]: Abstraction has 905 states and 1174 transitions. [2024-12-02 08:55:53,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.666666666666667) internal successors, (68), 11 states have internal predecessors, (68), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:55:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1174 transitions. [2024-12-02 08:55:53,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 08:55:53,615 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:55:53,615 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:55:53,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:55:53,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:55:53,815 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:55:53,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:55:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1129671581, now seen corresponding path program 1 times [2024-12-02 08:55:53,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:55:53,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534259189] [2024-12-02 08:55:53,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:55:53,816 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 [2024-12-02 08:55:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:55:53,818 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:55:53,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:55:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:55:54,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:55:54,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:55:54,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-12-02 08:55:54,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 08:55:55,137 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 [2024-12-02 08:55:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 233 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 08:55:55,414 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:56:03,752 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 08:56:03,752 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:56:03,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534259189] [2024-12-02 08:56:03,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534259189] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:56:03,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:56:03,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-12-02 08:56:03,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796361666] [2024-12-02 08:56:03,753 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:56:03,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 08:56:03,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:56:03,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 08:56:03,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:56:03,754 INFO L87 Difference]: Start difference. First operand 905 states and 1174 transitions. Second operand has 8 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 08:56:07,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:09,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:12,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:16,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:17,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:20,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:24,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:27,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:30,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:32,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:34,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:37,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:39,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:43,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:44,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:48,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:50,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:52,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:56,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:56:59,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:02,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:06,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:09,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:14,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:17,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:21,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:23,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:27,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:29,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:33,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:35,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:35,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:57:35,470 INFO L93 Difference]: Finished difference Result 3540 states and 4612 transitions. [2024-12-02 08:57:35,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 08:57:35,474 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 178 [2024-12-02 08:57:35,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:57:35,478 INFO L225 Difference]: With dead ends: 3540 [2024-12-02 08:57:35,478 INFO L226 Difference]: Without dead ends: 2724 [2024-12-02 08:57:35,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2024-12-02 08:57:35,479 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 929 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 80 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 929 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:57:35,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [929 Valid, 1043 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 260 Invalid, 2 Unknown, 0 Unchecked, 89.5s Time] [2024-12-02 08:57:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2024-12-02 08:57:35,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2216. [2024-12-02 08:57:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 2044 states have (on average 1.2862035225048924) internal successors, (2629), 2055 states have internal predecessors, (2629), 107 states have call successors, (107), 64 states have call predecessors, (107), 64 states have return successors, (107), 96 states have call predecessors, (107), 107 states have call successors, (107) [2024-12-02 08:57:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 2843 transitions. [2024-12-02 08:57:35,591 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 2843 transitions. Word has length 178 [2024-12-02 08:57:35,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:57:35,592 INFO L471 AbstractCegarLoop]: Abstraction has 2216 states and 2843 transitions. [2024-12-02 08:57:35,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 26.0) internal successors, (208), 8 states have internal predecessors, (208), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 08:57:35,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2843 transitions. [2024-12-02 08:57:35,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-12-02 08:57:35,593 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:57:35,593 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:57:35,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:57:35,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:57:35,794 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:57:35,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:57:35,794 INFO L85 PathProgramCache]: Analyzing trace with hash 173531644, now seen corresponding path program 1 times [2024-12-02 08:57:35,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:57:35,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225796110] [2024-12-02 08:57:35,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:57:35,795 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 [2024-12-02 08:57:35,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:57:35,796 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:57:35,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:57:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:57:36,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 08:57:36,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:57:37,026 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 [2024-12-02 08:57:37,054 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 16 treesize of output 12 [2024-12-02 08:57:37,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-12-02 08:57:37,560 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 233 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-02 08:57:37,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:57:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-02 08:57:48,004 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:57:48,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225796110] [2024-12-02 08:57:48,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225796110] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:57:48,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:57:48,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-12-02 08:57:48,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258522706] [2024-12-02 08:57:48,005 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:57:48,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 08:57:48,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:57:48,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 08:57:48,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:57:48,006 INFO L87 Difference]: Start difference. First operand 2216 states and 2843 transitions. Second operand has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 08:57:52,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:55,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:58,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:57:59,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:03,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:05,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:07,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:09,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:13,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:16,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:20,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:24,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 08:58:25,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:25,358 INFO L93 Difference]: Finished difference Result 3237 states and 4102 transitions. [2024-12-02 08:58:25,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:58:25,359 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 180 [2024-12-02 08:58:25,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:25,364 INFO L225 Difference]: With dead ends: 3237 [2024-12-02 08:58:25,364 INFO L226 Difference]: Without dead ends: 1082 [2024-12-02 08:58:25,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-12-02 08:58:25,366 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 362 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:25,366 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 539 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 36.2s Time] [2024-12-02 08:58:25,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2024-12-02 08:58:25,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 434. [2024-12-02 08:58:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 390 states have (on average 1.2333333333333334) internal successors, (481), 393 states have internal predecessors, (481), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:58:25,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 535 transitions. [2024-12-02 08:58:25,407 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 535 transitions. Word has length 180 [2024-12-02 08:58:25,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:25,408 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 535 transitions. [2024-12-02 08:58:25,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.2) internal successors, (212), 10 states have internal predecessors, (212), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-12-02 08:58:25,408 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 535 transitions. [2024-12-02 08:58:25,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 08:58:25,409 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:25,409 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:25,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:25,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:25,609 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:25,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:25,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1847533049, now seen corresponding path program 1 times [2024-12-02 08:58:25,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:58:25,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [411917480] [2024-12-02 08:58:25,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:25,610 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 [2024-12-02 08:58:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:58:25,612 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:58:25,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:26,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 08:58:26,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:29,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:58:29,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 366 treesize of output 114 [2024-12-02 08:58:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 7 proven. 169 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 08:58:29,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:58:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-12-02 08:58:31,034 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:58:31,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [411917480] [2024-12-02 08:58:31,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [411917480] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:58:31,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:58:31,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 18 [2024-12-02 08:58:31,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950278700] [2024-12-02 08:58:31,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:31,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:58:31,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:58:31,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:58:31,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2024-12-02 08:58:31,035 INFO L87 Difference]: Start difference. First operand 434 states and 535 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:33,219 INFO L93 Difference]: Finished difference Result 883 states and 1083 transitions. [2024-12-02 08:58:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:58:33,221 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 188 [2024-12-02 08:58:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:33,222 INFO L225 Difference]: With dead ends: 883 [2024-12-02 08:58:33,222 INFO L226 Difference]: Without dead ends: 510 [2024-12-02 08:58:33,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-12-02 08:58:33,224 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 140 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:33,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 539 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-12-02 08:58:33,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-12-02 08:58:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 455. [2024-12-02 08:58:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 411 states have (on average 1.2311435523114356) internal successors, (506), 414 states have internal predecessors, (506), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:58:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 560 transitions. [2024-12-02 08:58:33,258 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 560 transitions. Word has length 188 [2024-12-02 08:58:33,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:33,259 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 560 transitions. [2024-12-02 08:58:33,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 560 transitions. [2024-12-02 08:58:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 08:58:33,260 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:33,260 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:33,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:33,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:33,460 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1860628233, now seen corresponding path program 1 times [2024-12-02 08:58:33,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:58:33,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931036765] [2024-12-02 08:58:33,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:33,461 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 [2024-12-02 08:58:33,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:58:33,463 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:58:33,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:34,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 08:58:34,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 8 proven. 167 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-12-02 08:58:36,247 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:58:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-02 08:58:37,834 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:58:37,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931036765] [2024-12-02 08:58:37,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [931036765] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:58:37,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:58:37,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 14 [2024-12-02 08:58:37,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719175039] [2024-12-02 08:58:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:37,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:58:37,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:58:37,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:58:37,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 08:58:37,836 INFO L87 Difference]: Start difference. First operand 455 states and 560 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:40,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:40,190 INFO L93 Difference]: Finished difference Result 866 states and 1061 transitions. [2024-12-02 08:58:40,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:58:40,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 188 [2024-12-02 08:58:40,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:40,194 INFO L225 Difference]: With dead ends: 866 [2024-12-02 08:58:40,194 INFO L226 Difference]: Without dead ends: 466 [2024-12-02 08:58:40,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-12-02 08:58:40,195 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 58 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:40,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 692 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-12-02 08:58:40,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-12-02 08:58:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 443. [2024-12-02 08:58:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 399 states have (on average 1.2230576441102756) internal successors, (488), 402 states have internal predecessors, (488), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:58:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 542 transitions. [2024-12-02 08:58:40,228 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 542 transitions. Word has length 188 [2024-12-02 08:58:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:40,228 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 542 transitions. [2024-12-02 08:58:40,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 542 transitions. [2024-12-02 08:58:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 08:58:40,229 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:40,229 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:40,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-12-02 08:58:40,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:40,430 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:40,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:40,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1628678331, now seen corresponding path program 1 times [2024-12-02 08:58:40,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:58:40,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044610020] [2024-12-02 08:58:40,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:40,431 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 [2024-12-02 08:58:40,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:58:40,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:58:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:41,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 08:58:41,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:41,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:58:41,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 191 treesize of output 59 [2024-12-02 08:58:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-12-02 08:58:41,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:58:41,677 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:58:41,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044610020] [2024-12-02 08:58:41,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044610020] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:41,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:58:41,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:58:41,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117091888] [2024-12-02 08:58:41,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:41,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:58:41,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:58:41,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:58:41,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:58:41,678 INFO L87 Difference]: Start difference. First operand 443 states and 542 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:42,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:42,566 INFO L93 Difference]: Finished difference Result 827 states and 1008 transitions. [2024-12-02 08:58:42,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:58:42,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 188 [2024-12-02 08:58:42,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:42,569 INFO L225 Difference]: With dead ends: 827 [2024-12-02 08:58:42,569 INFO L226 Difference]: Without dead ends: 445 [2024-12-02 08:58:42,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:58:42,570 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 45 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:42,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 484 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 08:58:42,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2024-12-02 08:58:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 443. [2024-12-02 08:58:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 399 states have (on average 1.2105263157894737) internal successors, (483), 402 states have internal predecessors, (483), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:58:42,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 537 transitions. [2024-12-02 08:58:42,595 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 537 transitions. Word has length 188 [2024-12-02 08:58:42,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:42,595 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 537 transitions. [2024-12-02 08:58:42,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 537 transitions. [2024-12-02 08:58:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-12-02 08:58:42,596 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:42,597 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:42,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-12-02 08:58:42,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:42,797 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:42,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:42,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2079482951, now seen corresponding path program 1 times [2024-12-02 08:58:42,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:58:42,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626016204] [2024-12-02 08:58:42,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:42,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:58:42,799 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:58:42,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:43,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 08:58:43,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:46,104 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:58:46,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 303 treesize of output 99 [2024-12-02 08:58:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 7 proven. 169 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-12-02 08:58:46,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:58:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2024-12-02 08:58:47,623 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:58:47,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626016204] [2024-12-02 08:58:47,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626016204] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 08:58:47,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:58:47,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-12-02 08:58:47,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839428658] [2024-12-02 08:58:47,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:47,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:58:47,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:58:47,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:58:47,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-12-02 08:58:47,626 INFO L87 Difference]: Start difference. First operand 443 states and 537 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:49,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:49,302 INFO L93 Difference]: Finished difference Result 851 states and 1025 transitions. [2024-12-02 08:58:49,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:58:49,304 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 188 [2024-12-02 08:58:49,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:49,305 INFO L225 Difference]: With dead ends: 851 [2024-12-02 08:58:49,305 INFO L226 Difference]: Without dead ends: 469 [2024-12-02 08:58:49,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-12-02 08:58:49,306 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 78 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:49,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 587 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 08:58:49,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-12-02 08:58:49,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 433. [2024-12-02 08:58:49,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 389 states have (on average 1.2107969151670952) internal successors, (471), 392 states have internal predecessors, (471), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:58:49,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 525 transitions. [2024-12-02 08:58:49,341 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 525 transitions. Word has length 188 [2024-12-02 08:58:49,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:49,341 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 525 transitions. [2024-12-02 08:58:49,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:49,341 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 525 transitions. [2024-12-02 08:58:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 08:58:49,343 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:49,343 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:49,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:49,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:49,543 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:49,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:49,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1756769233, now seen corresponding path program 1 times [2024-12-02 08:58:49,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:58:49,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [854952093] [2024-12-02 08:58:49,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:49,544 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 [2024-12-02 08:58:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:58:49,546 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:58:49,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:50,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 08:58:50,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:51,332 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 38 treesize of output 29 [2024-12-02 08:58:51,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 08:58:51,794 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 44 treesize of output 20 [2024-12-02 08:58:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 38 proven. 262 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 08:58:53,144 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:58:54,377 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 17 proven. 115 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-02 08:58:54,377 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:58:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [854952093] [2024-12-02 08:58:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [854952093] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:58:54,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 08:58:54,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 19 [2024-12-02 08:58:54,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820004547] [2024-12-02 08:58:54,378 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 08:58:54,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 08:58:54,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:58:54,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 08:58:54,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2024-12-02 08:58:54,379 INFO L87 Difference]: Start difference. First operand 433 states and 525 transitions. Second operand has 19 states, 15 states have (on average 15.533333333333333) internal successors, (233), 19 states have internal predecessors, (233), 8 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 8 states have call successors, (28) [2024-12-02 08:58:56,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:56,903 INFO L93 Difference]: Finished difference Result 841 states and 1010 transitions. [2024-12-02 08:58:56,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-02 08:58:56,904 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 15.533333333333333) internal successors, (233), 19 states have internal predecessors, (233), 8 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 8 states have call successors, (28) Word has length 190 [2024-12-02 08:58:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:56,906 INFO L225 Difference]: With dead ends: 841 [2024-12-02 08:58:56,906 INFO L226 Difference]: Without dead ends: 469 [2024-12-02 08:58:56,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 362 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=324, Invalid=1158, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 08:58:56,907 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 406 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1635 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:56,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 1635 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 08:58:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2024-12-02 08:58:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 391. [2024-12-02 08:58:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 347 states have (on average 1.201729106628242) internal successors, (417), 350 states have internal predecessors, (417), 27 states have call successors, (27), 16 states have call predecessors, (27), 16 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2024-12-02 08:58:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 471 transitions. [2024-12-02 08:58:56,956 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 471 transitions. Word has length 190 [2024-12-02 08:58:56,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:56,956 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 471 transitions. [2024-12-02 08:58:56,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 15.533333333333333) internal successors, (233), 19 states have internal predecessors, (233), 8 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 8 states have call successors, (28) [2024-12-02 08:58:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 471 transitions. [2024-12-02 08:58:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-12-02 08:58:56,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:58:56,958 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:56,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2024-12-02 08:58:57,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:57,158 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:58:57,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:58:57,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1361822609, now seen corresponding path program 1 times [2024-12-02 08:58:57,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:58:57,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894463666] [2024-12-02 08:58:57,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:58:57,159 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 [2024-12-02 08:58:57,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:58:57,161 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 08:58:57,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:58:58,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:58:58,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:58:58,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-12-02 08:58:58,124 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 43 treesize of output 25 [2024-12-02 08:58:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-12-02 08:58:58,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:58:58,226 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:58:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894463666] [2024-12-02 08:58:58,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894463666] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:58:58,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:58:58,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 08:58:58,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236600525] [2024-12-02 08:58:58,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:58:58,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 08:58:58,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:58:58,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 08:58:58,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 08:58:58,227 INFO L87 Difference]: Start difference. First operand 391 states and 471 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:58,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:58:58,662 INFO L93 Difference]: Finished difference Result 713 states and 856 transitions. [2024-12-02 08:58:58,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 08:58:58,663 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 190 [2024-12-02 08:58:58,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:58:58,664 INFO L225 Difference]: With dead ends: 713 [2024-12-02 08:58:58,664 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:58:58,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-02 08:58:58,665 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 101 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 08:58:58,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 716 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 08:58:58,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:58:58,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:58:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:58:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:58:58,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 190 [2024-12-02 08:58:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:58:58,666 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:58:58,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 7 states have internal predecessors, (86), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-12-02 08:58:58,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:58:58,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:58:58,668 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:58:58,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 08:58:58,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 08:58:58,870 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:58:58,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:59:13,940 WARN L286 SmtUtils]: Spent 8.84s on a formula simplification. DAG size of input: 504 DAG size of output: 112 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:59:24,409 WARN L286 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 156 DAG size of output: 106 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:59:40,341 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 509 DAG size of output: 117 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-12-02 08:59:40,346 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:59:40,362 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 08:59:40,364 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 08:59:40,365 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,366 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 08:59:40,367 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 08:59:40,368 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 08:59:40,369 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#4 [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-12-02 08:59:40,370 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#1 [2024-12-02 08:59:40,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] [2024-12-02 08:59:40,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] [2024-12-02 08:59:40,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-12-02 08:59:40,371 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-12-02 08:59:40,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:59:40 BoogieIcfgContainer [2024-12-02 08:59:40,371 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:59:40,372 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:59:40,372 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:59:40,372 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:59:40,372 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:45" (3/4) ... [2024-12-02 08:59:40,374 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:59:40,380 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-02 08:59:40,386 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 08:59:40,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 08:59:40,387 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 08:59:40,388 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:59:40,501 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:59:40,501 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:59:40,501 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:59:40,502 INFO L158 Benchmark]: Toolchain (without parser) took 488045.16ms. Allocated memory was 92.3MB in the beginning and 369.1MB in the end (delta: 276.8MB). Free memory was 69.5MB in the beginning and 296.9MB in the end (delta: -227.5MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-12-02 08:59:40,502 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:59:40,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.13ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 54.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:59:40,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.05ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:59:40,502 INFO L158 Benchmark]: Boogie Preprocessor took 77.48ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 46.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:59:40,503 INFO L158 Benchmark]: RCFGBuilder took 12612.09ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 39.6MB in the end (delta: 6.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-02 08:59:40,503 INFO L158 Benchmark]: TraceAbstraction took 474876.21ms. Allocated memory was 92.3MB in the beginning and 369.1MB in the end (delta: 276.8MB). Free memory was 39.0MB in the beginning and 305.2MB in the end (delta: -266.3MB). Peak memory consumption was 199.7MB. Max. memory is 16.1GB. [2024-12-02 08:59:40,503 INFO L158 Benchmark]: Witness Printer took 129.59ms. Allocated memory is still 369.1MB. Free memory was 305.2MB in the beginning and 296.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:59:40,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.13ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 54.2MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.05ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 51.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.48ms. Allocated memory is still 92.3MB. Free memory was 51.3MB in the beginning and 46.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 12612.09ms. Allocated memory is still 92.3MB. Free memory was 46.2MB in the beginning and 39.6MB in the end (delta: 6.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 474876.21ms. Allocated memory was 92.3MB in the beginning and 369.1MB in the end (delta: 276.8MB). Free memory was 39.0MB in the beginning and 305.2MB in the end (delta: -266.3MB). Peak memory consumption was 199.7MB. Max. memory is 16.1GB. * Witness Printer took 129.59ms. Allocated memory is still 369.1MB. Free memory was 305.2MB in the beginning and 296.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#5,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#5,GLOBAL],[IdentifierExpression[~#unsigned_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#4 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#4,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#4,GLOBAL],[IdentifierExpression[~#signed_short_int_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int#1,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int#1,GLOBAL],[IdentifierExpression[~#BOOL_unsigned_char_Array_0~0!base,GLOBAL]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 433.3s, OverallIterations: 28, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 348.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 5174 SdHoareTripleChecker+Valid, 336.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5167 mSDsluCounter, 21828 SdHoareTripleChecker+Invalid, 332.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17586 mSDsCounter, 322 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4069 IncrementalHoareTripleChecker+Invalid, 4398 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 322 mSolverCounterUnsat, 4242 mSDtfsCounter, 4069 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5066 GetRequests, 4704 SyntacticMatches, 3 SemanticMatches, 359 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 32.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2216occurred in iteration=21, InterpolantAutomatonStates: 254, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 28 MinimizatonAttempts, 2667 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 12.1s SatisfiabilityAnalysisTime, 62.3s InterpolantComputationTime, 3317 NumberOfCodeBlocks, 3317 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 4940 ConstructedInterpolants, 180 QuantifiedInterpolants, 80303 SizeOfPredicates, 109 NumberOfNonLiveVariables, 7976 ConjunctsInSsa, 298 ConjunctsInUnsatCore, 40 InterpolantComputations, 23 PerfectInterpolantSequences, 6376/8092 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 08:59:40,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c046bf3f-4c1b-4135-a6ba-b677110c1231/bin/uautomizer-verify-84ZbGMXZE1/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 Writing output log to file Ultimate.log Result: TRUE