./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_true-unreach-call_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_true-unreach-call_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fe985b78bdb1528be9869010bc0b3709e3b1ab49 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:48:17,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:48:17,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:48:17,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:48:17,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:48:17,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:48:17,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:48:17,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:48:17,081 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:48:17,082 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:48:17,082 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:48:17,082 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:48:17,083 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:48:17,083 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:48:17,084 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:48:17,084 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:48:17,084 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:48:17,085 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:48:17,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:48:17,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:48:17,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:48:17,088 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:48:17,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:48:17,089 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:48:17,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:48:17,090 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:48:17,091 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:48:17,091 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:48:17,091 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:48:17,092 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:48:17,092 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:48:17,092 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:48:17,092 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:48:17,093 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:48:17,093 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:48:17,093 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:48:17,094 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-01 16:48:17,101 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:48:17,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:48:17,101 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:48:17,101 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:48:17,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:48:17,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:48:17,102 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:48:17,103 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:48:17,103 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:48:17,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:48:17,103 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:48:17,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:48:17,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:48:17,104 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 16:48:17,104 INFO L133 SettingsManager]: * To the following directory=dump/ 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-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe985b78bdb1528be9869010bc0b3709e3b1ab49 [2018-12-01 16:48:17,121 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:48:17,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:48:17,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:48:17,131 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:48:17,131 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:48:17,132 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/../../sv-benchmarks/c/ldv-commit-tester/m0_true-unreach-call_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2018-12-01 16:48:17,168 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/data/07224a848/9b7ae84748fd4b83993ecb01b52bbd64/FLAG2ea4aaa10 [2018-12-01 16:48:17,670 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:48:17,670 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/sv-benchmarks/c/ldv-commit-tester/m0_true-unreach-call_drivers-media-video-cx88-cx8802-ko--32_7a--d47b389.i [2018-12-01 16:48:17,685 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/data/07224a848/9b7ae84748fd4b83993ecb01b52bbd64/FLAG2ea4aaa10 [2018-12-01 16:48:17,694 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/data/07224a848/9b7ae84748fd4b83993ecb01b52bbd64 [2018-12-01 16:48:17,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:48:17,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:48:17,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:48:17,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:48:17,699 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:48:17,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:48:17" (1/1) ... [2018-12-01 16:48:17,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d9c0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:17, skipping insertion in model container [2018-12-01 16:48:17,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:48:17" (1/1) ... [2018-12-01 16:48:17,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:48:17,757 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:48:18,489 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:48:18,502 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:48:18,640 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:48:18,695 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:48:18,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18 WrapperNode [2018-12-01 16:48:18,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:48:18,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:48:18,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:48:18,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:48:18,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:48:18,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:48:18,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:48:18,774 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:48:18,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... [2018-12-01 16:48:18,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:48:18,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:48:18,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:48:18,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:48:18,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:48:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:48:18,886 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2018-12-01 16:48:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2018-12-01 16:48:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-01 16:48:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:48:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_restart_queue [2018-12-01 16:48:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_restart_queue [2018-12-01 16:48:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 16:48:18,887 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 16:48:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 16:48:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_cx88_core [2018-12-01 16:48:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_cx88_core [2018-12-01 16:48:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_cx88_core [2018-12-01 16:48:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_cx88_core [2018-12-01 16:48:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 16:48:18,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2018-12-01 16:48:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2018-12-01 16:48:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 16:48:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-01 16:48:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2018-12-01 16:48:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2018-12-01 16:48:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 16:48:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-01 16:48:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-01 16:48:18,889 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2018-12-01 16:48:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2018-12-01 16:48:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-01 16:48:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-01 16:48:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2018-12-01 16:48:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2018-12-01 16:48:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2018-12-01 16:48:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2018-12-01 16:48:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-01 16:48:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-01 16:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2018-12-01 16:48:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2018-12-01 16:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-12-01 16:48:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2018-12-01 16:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 16:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2018-12-01 16:48:18,891 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2018-12-01 16:48:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure do_cancel_buffers [2018-12-01 16:48:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure do_cancel_buffers [2018-12-01 16:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_start_dma [2018-12-01 16:48:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_start_dma [2018-12-01 16:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-12-01 16:48:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-12-01 16:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 16:48:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2018-12-01 16:48:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2018-12-01 16:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_core_put [2018-12-01 16:48:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_core_put [2018-12-01 16:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_stop_dma [2018-12-01 16:48:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_stop_dma [2018-12-01 16:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2018-12-01 16:48:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2018-12-01 16:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 16:48:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_acquire [2018-12-01 16:48:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_acquire [2018-12-01 16:48:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 16:48:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2018-12-01 16:48:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2018-12-01 16:48:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure cx8802_request_release [2018-12-01 16:48:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cx8802_request_release [2018-12-01 16:48:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure cx88_sram_channel_dump [2018-12-01 16:48:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure cx88_sram_channel_dump [2018-12-01 16:48:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2018-12-01 16:48:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2018-12-01 16:48:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2018-12-01 16:48:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2018-12-01 16:48:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-01 16:48:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-01 16:48:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2018-12-01 16:48:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2018-12-01 16:48:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2018-12-01 16:48:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2018-12-01 16:48:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2018-12-01 16:48:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2018-12-01 16:48:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2018-12-01 16:48:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2018-12-01 16:48:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 16:48:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2018-12-01 16:48:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2018-12-01 16:48:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:48:18,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:48:22,161 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:48:22,161 INFO L280 CfgBuilder]: Removed 120 assue(true) statements. [2018-12-01 16:48:22,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:48:22 BoogieIcfgContainer [2018-12-01 16:48:22,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:48:22,162 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:48:22,162 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:48:22,170 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:48:22,170 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:48:22" (1/1) ... [2018-12-01 16:48:22,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:48:22,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 410 states and 575 transitions. [2018-12-01 16:48:22,217 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 575 transitions. [2018-12-01 16:48:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 16:48:22,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 410 states and 569 transitions. [2018-12-01 16:48:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 569 transitions. [2018-12-01 16:48:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 16:48:22,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 412 states and 571 transitions. [2018-12-01 16:48:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 571 transitions. [2018-12-01 16:48:22,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 16:48:22,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:23,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:23,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:23,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 415 states and 574 transitions. [2018-12-01 16:48:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 574 transitions. [2018-12-01 16:48:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 16:48:23,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:23,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:48:23,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 419 states and 578 transitions. [2018-12-01 16:48:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 578 transitions. [2018-12-01 16:48:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 16:48:23,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 423 states and 591 transitions. [2018-12-01 16:48:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 591 transitions. [2018-12-01 16:48:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 16:48:23,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 427 states and 604 transitions. [2018-12-01 16:48:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 604 transitions. [2018-12-01 16:48:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 16:48:23,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 431 states and 617 transitions. [2018-12-01 16:48:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 617 transitions. [2018-12-01 16:48:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 16:48:24,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 435 states and 630 transitions. [2018-12-01 16:48:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 630 transitions. [2018-12-01 16:48:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 16:48:24,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:24,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 439 states and 643 transitions. [2018-12-01 16:48:24,606 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 643 transitions. [2018-12-01 16:48:24,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 16:48:24,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:24,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 442 states and 649 transitions. [2018-12-01 16:48:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 649 transitions. [2018-12-01 16:48:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:48:24,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:24,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 445 states and 655 transitions. [2018-12-01 16:48:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 655 transitions. [2018-12-01 16:48:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:48:24,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:24,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 447 states and 658 transitions. [2018-12-01 16:48:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 658 transitions. [2018-12-01 16:48:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 16:48:24,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 450 states and 664 transitions. [2018-12-01 16:48:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 664 transitions. [2018-12-01 16:48:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 16:48:25,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,210 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:25,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 452 states and 667 transitions. [2018-12-01 16:48:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 667 transitions. [2018-12-01 16:48:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:48:25,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 458 states and 676 transitions. [2018-12-01 16:48:25,277 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 676 transitions. [2018-12-01 16:48:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:48:25,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:25,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 461 states and 682 transitions. [2018-12-01 16:48:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 682 transitions. [2018-12-01 16:48:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 16:48:25,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 463 states and 685 transitions. [2018-12-01 16:48:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 685 transitions. [2018-12-01 16:48:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 16:48:25,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 469 states and 694 transitions. [2018-12-01 16:48:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 694 transitions. [2018-12-01 16:48:25,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:48:25,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 16:48:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 471 states and 696 transitions. [2018-12-01 16:48:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 696 transitions. [2018-12-01 16:48:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 16:48:25,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 473 states and 699 transitions. [2018-12-01 16:48:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 699 transitions. [2018-12-01 16:48:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 16:48:25,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 479 states and 708 transitions. [2018-12-01 16:48:25,739 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 708 transitions. [2018-12-01 16:48:25,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 16:48:25,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 16:48:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 481 states and 711 transitions. [2018-12-01 16:48:25,800 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 711 transitions. [2018-12-01 16:48:25,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:48:25,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 487 states and 720 transitions. [2018-12-01 16:48:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 720 transitions. [2018-12-01 16:48:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 16:48:25,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 488 states and 722 transitions. [2018-12-01 16:48:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 722 transitions. [2018-12-01 16:48:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 16:48:26,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:26,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 492 states and 729 transitions. [2018-12-01 16:48:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 729 transitions. [2018-12-01 16:48:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 16:48:26,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:26,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 494 states and 732 transitions. [2018-12-01 16:48:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 732 transitions. [2018-12-01 16:48:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:48:26,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 498 states and 739 transitions. [2018-12-01 16:48:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 739 transitions. [2018-12-01 16:48:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 16:48:26,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:26,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 505 states and 752 transitions. [2018-12-01 16:48:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 752 transitions. [2018-12-01 16:48:26,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:48:26,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:26,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 509 states and 759 transitions. [2018-12-01 16:48:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 759 transitions. [2018-12-01 16:48:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 16:48:26,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,014 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 516 states and 772 transitions. [2018-12-01 16:48:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 772 transitions. [2018-12-01 16:48:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:48:27,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 520 states and 779 transitions. [2018-12-01 16:48:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 779 transitions. [2018-12-01 16:48:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 16:48:27,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:27,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 527 states and 792 transitions. [2018-12-01 16:48:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 792 transitions. [2018-12-01 16:48:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 16:48:27,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 530 states and 796 transitions. [2018-12-01 16:48:27,512 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 796 transitions. [2018-12-01 16:48:27,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 16:48:27,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,555 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 537 states and 809 transitions. [2018-12-01 16:48:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 809 transitions. [2018-12-01 16:48:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 16:48:27,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:27,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 540 states and 813 transitions. [2018-12-01 16:48:27,776 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 813 transitions. [2018-12-01 16:48:27,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 16:48:27,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:27,814 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:48:27,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:27,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 547 states and 826 transitions. [2018-12-01 16:48:27,997 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 826 transitions. [2018-12-01 16:48:27,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 16:48:27,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 549 states and 832 transitions. [2018-12-01 16:48:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 832 transitions. [2018-12-01 16:48:28,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 16:48:28,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 552 states and 836 transitions. [2018-12-01 16:48:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 836 transitions. [2018-12-01 16:48:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 16:48:28,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:28,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 554 states and 842 transitions. [2018-12-01 16:48:28,314 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 842 transitions. [2018-12-01 16:48:28,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 16:48:28,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:48:28,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 555 states and 843 transitions. [2018-12-01 16:48:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 843 transitions. [2018-12-01 16:48:28,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 16:48:28,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 558 states and 847 transitions. [2018-12-01 16:48:28,499 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 847 transitions. [2018-12-01 16:48:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 16:48:28,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 560 states and 853 transitions. [2018-12-01 16:48:28,656 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 853 transitions. [2018-12-01 16:48:28,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 16:48:28,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:48:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 561 states and 854 transitions. [2018-12-01 16:48:28,788 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 854 transitions. [2018-12-01 16:48:28,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 16:48:28,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:29,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 567 states and 869 transitions. [2018-12-01 16:48:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 869 transitions. [2018-12-01 16:48:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 16:48:29,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:29,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 569 states and 875 transitions. [2018-12-01 16:48:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 875 transitions. [2018-12-01 16:48:29,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 16:48:29,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:48:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 570 states and 876 transitions. [2018-12-01 16:48:29,776 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 876 transitions. [2018-12-01 16:48:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 16:48:29,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:48:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 571 states and 877 transitions. [2018-12-01 16:48:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 877 transitions. [2018-12-01 16:48:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 16:48:29,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:29,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 573 states and 879 transitions. [2018-12-01 16:48:29,907 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 879 transitions. [2018-12-01 16:48:29,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 16:48:29,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:29,950 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 581 states and 892 transitions. [2018-12-01 16:48:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 892 transitions. [2018-12-01 16:48:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 16:48:30,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 583 states and 894 transitions. [2018-12-01 16:48:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 894 transitions. [2018-12-01 16:48:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 16:48:30,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 585 states and 897 transitions. [2018-12-01 16:48:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 897 transitions. [2018-12-01 16:48:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 16:48:30,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 16:48:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 592 states and 905 transitions. [2018-12-01 16:48:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 905 transitions. [2018-12-01 16:48:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 16:48:30,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:30,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:30,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 598 states and 917 transitions. [2018-12-01 16:48:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 917 transitions. [2018-12-01 16:48:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 16:48:30,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:30,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:30,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:30,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 602 states and 926 transitions. [2018-12-01 16:48:30,983 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 926 transitions. [2018-12-01 16:48:30,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 16:48:30,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 606 states and 930 transitions. [2018-12-01 16:48:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 930 transitions. [2018-12-01 16:48:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 16:48:31,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:31,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 608 states and 933 transitions. [2018-12-01 16:48:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 933 transitions. [2018-12-01 16:48:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 16:48:31,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 610 states and 935 transitions. [2018-12-01 16:48:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 935 transitions. [2018-12-01 16:48:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 16:48:31,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 616 states and 947 transitions. [2018-12-01 16:48:31,610 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 947 transitions. [2018-12-01 16:48:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 16:48:31,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 617 states and 948 transitions. [2018-12-01 16:48:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 948 transitions. [2018-12-01 16:48:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 16:48:31,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:31,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 621 states and 957 transitions. [2018-12-01 16:48:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 957 transitions. [2018-12-01 16:48:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 16:48:31,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:31,944 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:32,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 625 states and 961 transitions. [2018-12-01 16:48:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 961 transitions. [2018-12-01 16:48:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 16:48:32,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:32,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 627 states and 963 transitions. [2018-12-01 16:48:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 963 transitions. [2018-12-01 16:48:32,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 16:48:32,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 629 states and 966 transitions. [2018-12-01 16:48:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 966 transitions. [2018-12-01 16:48:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 16:48:32,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:32,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 635 states and 978 transitions. [2018-12-01 16:48:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 978 transitions. [2018-12-01 16:48:32,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 16:48:32,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 637 states and 981 transitions. [2018-12-01 16:48:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 981 transitions. [2018-12-01 16:48:33,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 16:48:33,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:33,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 638 states and 982 transitions. [2018-12-01 16:48:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 982 transitions. [2018-12-01 16:48:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 16:48:33,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:33,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:33,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 642 states and 991 transitions. [2018-12-01 16:48:33,703 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 991 transitions. [2018-12-01 16:48:33,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 16:48:33,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:33,744 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 646 states and 995 transitions. [2018-12-01 16:48:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 995 transitions. [2018-12-01 16:48:34,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 16:48:34,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,316 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 648 states and 998 transitions. [2018-12-01 16:48:34,321 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 998 transitions. [2018-12-01 16:48:34,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 16:48:34,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 649 states and 998 transitions. [2018-12-01 16:48:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 998 transitions. [2018-12-01 16:48:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 16:48:34,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:34,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 655 states and 1009 transitions. [2018-12-01 16:48:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1009 transitions. [2018-12-01 16:48:34,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 16:48:34,958 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:35,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 656 states and 1010 transitions. [2018-12-01 16:48:35,006 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1010 transitions. [2018-12-01 16:48:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 16:48:35,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:48:35,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 661 states and 1017 transitions. [2018-12-01 16:48:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1017 transitions. [2018-12-01 16:48:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 16:48:35,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 16:48:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 662 states and 1018 transitions. [2018-12-01 16:48:35,111 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1018 transitions. [2018-12-01 16:48:35,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 16:48:35,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 16:48:35,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 662 states and 1017 transitions. [2018-12-01 16:48:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1017 transitions. [2018-12-01 16:48:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 16:48:35,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 16:48:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 667 states and 1024 transitions. [2018-12-01 16:48:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1024 transitions. [2018-12-01 16:48:35,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 16:48:35,502 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 16:48:35,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 672 states and 1031 transitions. [2018-12-01 16:48:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1031 transitions. [2018-12-01 16:48:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 16:48:35,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,601 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 16:48:35,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 677 states and 1038 transitions. [2018-12-01 16:48:35,618 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1038 transitions. [2018-12-01 16:48:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 16:48:35,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:48:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 684 states and 1052 transitions. [2018-12-01 16:48:35,889 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1052 transitions. [2018-12-01 16:48:35,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 16:48:35,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 16:48:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 689 states and 1059 transitions. [2018-12-01 16:48:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1059 transitions. [2018-12-01 16:48:35,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 16:48:35,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:48:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 696 states and 1073 transitions. [2018-12-01 16:48:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1073 transitions. [2018-12-01 16:48:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 16:48:36,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:36,269 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 16:48:36,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 702 states and 1086 transitions. [2018-12-01 16:48:36,283 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1086 transitions. [2018-12-01 16:48:36,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-01 16:48:36,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:48:36,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:36,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 709 states and 1100 transitions. [2018-12-01 16:48:36,636 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1100 transitions. [2018-12-01 16:48:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 16:48:36,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 714 states and 1108 transitions. [2018-12-01 16:48:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1108 transitions. [2018-12-01 16:48:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 16:48:38,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:48:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 720 states and 1121 transitions. [2018-12-01 16:48:38,345 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1121 transitions. [2018-12-01 16:48:38,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 16:48:38,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:48:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 726 states and 1134 transitions. [2018-12-01 16:48:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1134 transitions. [2018-12-01 16:48:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 16:48:38,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:48:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:38,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 732 states and 1147 transitions. [2018-12-01 16:48:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1147 transitions. [2018-12-01 16:48:38,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-01 16:48:38,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 737 states and 1154 transitions. [2018-12-01 16:48:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1154 transitions. [2018-12-01 16:48:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 16:48:41,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 747 states and 1169 transitions. [2018-12-01 16:48:41,600 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1169 transitions. [2018-12-01 16:48:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 16:48:41,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:48:41,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 753 states and 1182 transitions. [2018-12-01 16:48:41,666 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1182 transitions. [2018-12-01 16:48:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 16:48:41,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 763 states and 1197 transitions. [2018-12-01 16:48:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1197 transitions. [2018-12-01 16:48:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 16:48:41,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:48:42,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 765 states and 1199 transitions. [2018-12-01 16:48:42,815 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1199 transitions. [2018-12-01 16:48:42,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 16:48:42,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:42,879 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 775 states and 1214 transitions. [2018-12-01 16:48:42,914 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1214 transitions. [2018-12-01 16:48:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 16:48:42,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:42,975 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 16:48:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 780 states and 1221 transitions. [2018-12-01 16:48:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1221 transitions. [2018-12-01 16:48:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 16:48:43,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 792 states and 1240 transitions. [2018-12-01 16:48:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1240 transitions. [2018-12-01 16:48:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 16:48:43,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:48:44,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:44,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 794 states and 1242 transitions. [2018-12-01 16:48:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1242 transitions. [2018-12-01 16:48:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 16:48:44,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 16:48:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 800 states and 1250 transitions. [2018-12-01 16:48:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1250 transitions. [2018-12-01 16:48:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:48:44,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:48:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 802 states and 1252 transitions. [2018-12-01 16:48:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1252 transitions. [2018-12-01 16:48:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:48:45,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:45,232 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 807 states and 1259 transitions. [2018-12-01 16:48:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1259 transitions. [2018-12-01 16:48:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 16:48:45,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 16:48:45,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 813 states and 1269 transitions. [2018-12-01 16:48:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1269 transitions. [2018-12-01 16:48:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 16:48:45,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:45,968 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:45,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:45,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 818 states and 1276 transitions. [2018-12-01 16:48:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1276 transitions. [2018-12-01 16:48:45,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 16:48:45,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:48:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 820 states and 1278 transitions. [2018-12-01 16:48:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1278 transitions. [2018-12-01 16:48:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:48:46,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 16:48:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 828 states and 1291 transitions. [2018-12-01 16:48:47,816 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1291 transitions. [2018-12-01 16:48:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-01 16:48:47,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:48:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 833 states and 1298 transitions. [2018-12-01 16:48:47,890 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1298 transitions. [2018-12-01 16:48:47,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 16:48:47,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 838 states and 1305 transitions. [2018-12-01 16:48:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1305 transitions. [2018-12-01 16:48:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 16:48:47,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 16:48:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:48,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 844 states and 1313 transitions. [2018-12-01 16:48:48,046 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1313 transitions. [2018-12-01 16:48:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-01 16:48:48,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:48:48,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 849 states and 1320 transitions. [2018-12-01 16:48:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1320 transitions. [2018-12-01 16:48:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 16:48:48,124 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 854 states and 1327 transitions. [2018-12-01 16:48:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1327 transitions. [2018-12-01 16:48:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 16:48:48,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 16:48:48,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:48,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 860 states and 1335 transitions. [2018-12-01 16:48:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1335 transitions. [2018-12-01 16:48:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 16:48:48,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:48:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 865 states and 1342 transitions. [2018-12-01 16:48:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1342 transitions. [2018-12-01 16:48:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 16:48:48,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:48,713 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 16:48:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:50,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 871 states and 1350 transitions. [2018-12-01 16:48:50,282 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1350 transitions. [2018-12-01 16:48:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 16:48:50,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 16:48:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 877 states and 1358 transitions. [2018-12-01 16:48:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1358 transitions. [2018-12-01 16:48:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 16:48:50,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:48:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:50,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 882 states and 1365 transitions. [2018-12-01 16:48:50,475 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1365 transitions. [2018-12-01 16:48:50,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-01 16:48:50,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 884 states and 1366 transitions. [2018-12-01 16:48:51,783 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1366 transitions. [2018-12-01 16:48:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 16:48:51,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 16:48:51,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 890 states and 1374 transitions. [2018-12-01 16:48:51,868 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1374 transitions. [2018-12-01 16:48:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 16:48:51,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:51,911 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:52,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:52,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 892 states and 1375 transitions. [2018-12-01 16:48:52,569 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1375 transitions. [2018-12-01 16:48:52,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 16:48:52,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 16:48:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 896 states and 1381 transitions. [2018-12-01 16:48:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1381 transitions. [2018-12-01 16:48:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 16:48:52,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 898 states and 1382 transitions. [2018-12-01 16:48:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1382 transitions. [2018-12-01 16:48:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 16:48:53,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:53,437 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 16:48:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:53,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 894 states and 1374 transitions. [2018-12-01 16:48:53,448 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1374 transitions. [2018-12-01 16:48:53,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 16:48:53,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 16:48:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 896 states and 1375 transitions. [2018-12-01 16:48:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1375 transitions. [2018-12-01 16:48:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 16:48:54,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 16:48:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 901 states and 1382 transitions. [2018-12-01 16:48:54,412 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1382 transitions. [2018-12-01 16:48:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 16:48:54,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 907 states and 1390 transitions. [2018-12-01 16:48:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1390 transitions. [2018-12-01 16:48:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-01 16:48:54,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:48:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 911 states and 1396 transitions. [2018-12-01 16:48:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1396 transitions. [2018-12-01 16:48:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 16:48:54,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 917 states and 1404 transitions. [2018-12-01 16:48:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1404 transitions. [2018-12-01 16:48:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 16:48:54,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,762 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:48:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 921 states and 1410 transitions. [2018-12-01 16:48:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1410 transitions. [2018-12-01 16:48:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 16:48:54,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 927 states and 1420 transitions. [2018-12-01 16:48:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1420 transitions. [2018-12-01 16:48:54,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 16:48:54,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:54,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 929 states and 1422 transitions. [2018-12-01 16:48:54,910 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1422 transitions. [2018-12-01 16:48:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 16:48:54,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:54,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:54,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 935 states and 1430 transitions. [2018-12-01 16:48:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1430 transitions. [2018-12-01 16:48:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 16:48:55,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:48:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 939 states and 1436 transitions. [2018-12-01 16:48:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1436 transitions. [2018-12-01 16:48:55,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 16:48:55,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:55,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 945 states and 1446 transitions. [2018-12-01 16:48:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1446 transitions. [2018-12-01 16:48:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 16:48:55,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 947 states and 1448 transitions. [2018-12-01 16:48:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1448 transitions. [2018-12-01 16:48:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 16:48:55,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 16:48:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 953 states and 1456 transitions. [2018-12-01 16:48:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1456 transitions. [2018-12-01 16:48:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 16:48:55,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 16:48:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 957 states and 1462 transitions. [2018-12-01 16:48:55,369 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1462 transitions. [2018-12-01 16:48:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 16:48:55,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 963 states and 1472 transitions. [2018-12-01 16:48:55,435 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1472 transitions. [2018-12-01 16:48:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 16:48:55,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 965 states and 1474 transitions. [2018-12-01 16:48:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1474 transitions. [2018-12-01 16:48:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 16:48:55,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,531 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:55,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 971 states and 1484 transitions. [2018-12-01 16:48:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1484 transitions. [2018-12-01 16:48:55,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 16:48:55,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-01 16:48:55,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 973 states and 1486 transitions. [2018-12-01 16:48:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1486 transitions. [2018-12-01 16:48:55,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 16:48:55,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-01 16:48:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 979 states and 1499 transitions. [2018-12-01 16:48:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1499 transitions. [2018-12-01 16:48:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 16:48:55,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:48:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 983 states and 1501 transitions. [2018-12-01 16:48:57,963 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1501 transitions. [2018-12-01 16:48:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 16:48:57,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-01 16:48:58,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 989 states and 1510 transitions. [2018-12-01 16:48:58,071 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1510 transitions. [2018-12-01 16:48:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 16:48:58,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,123 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 16:48:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 994 states and 1517 transitions. [2018-12-01 16:48:58,149 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1517 transitions. [2018-12-01 16:48:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 16:48:58,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 16:48:58,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1000 states and 1525 transitions. [2018-12-01 16:48:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1525 transitions. [2018-12-01 16:48:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 16:48:58,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 16:48:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1006 states and 1534 transitions. [2018-12-01 16:48:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1534 transitions. [2018-12-01 16:48:58,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 16:48:58,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 16:48:58,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1012 states and 1543 transitions. [2018-12-01 16:48:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1543 transitions. [2018-12-01 16:48:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 16:48:58,418 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 16:48:58,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1608 states to 1018 states and 1552 transitions. [2018-12-01 16:48:58,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1552 transitions. [2018-12-01 16:48:58,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:48:58,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:58,566 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 16:48:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1024 states and 1561 transitions. [2018-12-01 16:48:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1561 transitions. [2018-12-01 16:48:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 16:48:58,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:48:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:48:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:48:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:48:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1028 states and 1565 transitions. [2018-12-01 16:48:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1565 transitions. [2018-12-01 16:48:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 16:48:59,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:49:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1029 states and 1567 transitions. [2018-12-01 16:49:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1567 transitions. [2018-12-01 16:49:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 16:49:00,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:00,750 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:49:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1029 states and 1566 transitions. [2018-12-01 16:49:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1566 transitions. [2018-12-01 16:49:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 16:49:01,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:49:01,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1029 states and 1565 transitions. [2018-12-01 16:49:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1565 transitions. [2018-12-01 16:49:01,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 16:49:01,595 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:01,650 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 16:49:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1029 states and 1564 transitions. [2018-12-01 16:49:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1564 transitions. [2018-12-01 16:49:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:49:02,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 16:49:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1033 states and 1573 transitions. [2018-12-01 16:49:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1573 transitions. [2018-12-01 16:49:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 16:49:02,370 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 16:49:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1037 states and 1577 transitions. [2018-12-01 16:49:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1577 transitions. [2018-12-01 16:49:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:49:03,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:03,324 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 16:49:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1041 states and 1586 transitions. [2018-12-01 16:49:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1586 transitions. [2018-12-01 16:49:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-01 16:49:03,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:03,643 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 16:49:04,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:04,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1045 states and 1590 transitions. [2018-12-01 16:49:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1590 transitions. [2018-12-01 16:49:04,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:49:04,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 16:49:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:04,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1049 states and 1599 transitions. [2018-12-01 16:49:04,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1599 transitions. [2018-12-01 16:49:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 16:49:04,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 16:49:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1053 states and 1603 transitions. [2018-12-01 16:49:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1603 transitions. [2018-12-01 16:49:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 16:49:05,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-01 16:49:05,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1058 states and 1610 transitions. [2018-12-01 16:49:05,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1610 transitions. [2018-12-01 16:49:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 16:49:05,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-01 16:49:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1063 states and 1617 transitions. [2018-12-01 16:49:06,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1617 transitions. [2018-12-01 16:49:06,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-01 16:49:06,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-01 16:49:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1068 states and 1624 transitions. [2018-12-01 16:49:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1624 transitions. [2018-12-01 16:49:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 16:49:06,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:07,554 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 16:49:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1072 states and 1631 transitions. [2018-12-01 16:49:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1631 transitions. [2018-12-01 16:49:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 16:49:08,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:49:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1077 states and 1639 transitions. [2018-12-01 16:49:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1639 transitions. [2018-12-01 16:49:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:49:10,983 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 16:49:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:12,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1066 states and 1623 transitions. [2018-12-01 16:49:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1623 transitions. [2018-12-01 16:49:12,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 16:49:12,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 16:49:12,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1072 states and 1636 transitions. [2018-12-01 16:49:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1636 transitions. [2018-12-01 16:49:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 16:49:12,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:12,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1078 states and 1646 transitions. [2018-12-01 16:49:12,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1646 transitions. [2018-12-01 16:49:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 16:49:12,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 16:49:13,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1084 states and 1659 transitions. [2018-12-01 16:49:13,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1659 transitions. [2018-12-01 16:49:13,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-01 16:49:13,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,170 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1090 states and 1669 transitions. [2018-12-01 16:49:13,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1669 transitions. [2018-12-01 16:49:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 16:49:13,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 16:49:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1096 states and 1682 transitions. [2018-12-01 16:49:13,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1682 transitions. [2018-12-01 16:49:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-01 16:49:13,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1102 states and 1692 transitions. [2018-12-01 16:49:13,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1692 transitions. [2018-12-01 16:49:13,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 16:49:13,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:13,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1104 states and 1694 transitions. [2018-12-01 16:49:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1694 transitions. [2018-12-01 16:49:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-01 16:49:13,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,606 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:13,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1106 states and 1696 transitions. [2018-12-01 16:49:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1696 transitions. [2018-12-01 16:49:13,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-01 16:49:13,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1108 states and 1698 transitions. [2018-12-01 16:49:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1698 transitions. [2018-12-01 16:49:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 16:49:13,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1113 states and 1705 transitions. [2018-12-01 16:49:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1705 transitions. [2018-12-01 16:49:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:49:13,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 16:49:13,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:13,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1119 states and 1713 transitions. [2018-12-01 16:49:13,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1713 transitions. [2018-12-01 16:49:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-01 16:49:13,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,086 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1124 states and 1720 transitions. [2018-12-01 16:49:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1720 transitions. [2018-12-01 16:49:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:49:14,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 16:49:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1130 states and 1728 transitions. [2018-12-01 16:49:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1728 transitions. [2018-12-01 16:49:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 16:49:14,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:14,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1135 states and 1735 transitions. [2018-12-01 16:49:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1735 transitions. [2018-12-01 16:49:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 16:49:14,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 16:49:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1141 states and 1743 transitions. [2018-12-01 16:49:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1743 transitions. [2018-12-01 16:49:14,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 16:49:14,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 16:49:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1145 states and 1749 transitions. [2018-12-01 16:49:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1749 transitions. [2018-12-01 16:49:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 16:49:14,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 16:49:14,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1149 states and 1755 transitions. [2018-12-01 16:49:14,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1755 transitions. [2018-12-01 16:49:14,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 16:49:14,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-01 16:49:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1153 states and 1761 transitions. [2018-12-01 16:49:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1761 transitions. [2018-12-01 16:49:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 16:49:14,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-01 16:49:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1153 states and 1760 transitions. [2018-12-01 16:49:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1760 transitions. [2018-12-01 16:49:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 16:49:14,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:49:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1177 states and 1797 transitions. [2018-12-01 16:49:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1797 transitions. [2018-12-01 16:49:15,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 16:49:15,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:49:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1178 states and 1799 transitions. [2018-12-01 16:49:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1799 transitions. [2018-12-01 16:49:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 16:49:15,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:49:16,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:16,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1202 states and 1836 transitions. [2018-12-01 16:49:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1836 transitions. [2018-12-01 16:49:16,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:49:16,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:49:16,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1203 states and 1838 transitions. [2018-12-01 16:49:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1838 transitions. [2018-12-01 16:49:16,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 16:49:16,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:49:17,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:17,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1227 states and 1875 transitions. [2018-12-01 16:49:17,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1875 transitions. [2018-12-01 16:49:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 16:49:17,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 16:49:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:17,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1228 states and 1875 transitions. [2018-12-01 16:49:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1875 transitions. [2018-12-01 16:49:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 16:49:17,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-01 16:49:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1229 states and 1877 transitions. [2018-12-01 16:49:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1877 transitions. [2018-12-01 16:49:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 16:49:17,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 16:49:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:17,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1230 states and 1877 transitions. [2018-12-01 16:49:17,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1877 transitions. [2018-12-01 16:49:17,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 16:49:17,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 16:49:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1231 states and 1877 transitions. [2018-12-01 16:49:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1877 transitions. [2018-12-01 16:49:17,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-01 16:49:17,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1236 states and 1885 transitions. [2018-12-01 16:49:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1885 transitions. [2018-12-01 16:49:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-01 16:49:18,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:18,942 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:19,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1239 states and 1888 transitions. [2018-12-01 16:49:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1888 transitions. [2018-12-01 16:49:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-01 16:49:19,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1244 states and 1896 transitions. [2018-12-01 16:49:21,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1896 transitions. [2018-12-01 16:49:21,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 16:49:21,015 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1247 states and 1899 transitions. [2018-12-01 16:49:22,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1899 transitions. [2018-12-01 16:49:22,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-01 16:49:22,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 1252 states and 1907 transitions. [2018-12-01 16:49:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1907 transitions. [2018-12-01 16:49:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-01 16:49:23,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:49:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:49:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 16:49:24,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:49:24,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 477 states and 670 transitions. [2018-12-01 16:49:24,521 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 670 transitions. [2018-12-01 16:49:24,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:49:24,522 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 198 iterations. [2018-12-01 16:49:24,528 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:49:25,633 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,635 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,636 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,636 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,636 INFO L583 CodeCheckObserver]: Invariant with dag size 13 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,640 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,641 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,642 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,643 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,644 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,644 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-01 16:49:25,644 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:49:25,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:49:25 ImpRootNode [2018-12-01 16:49:25,645 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:49:25,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:49:25,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:49:25,645 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:49:25,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:48:22" (3/4) ... [2018-12-01 16:49:25,649 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:49:25,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2018-12-01 16:49:25,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2018-12-01 16:49:25,654 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_release [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_sram_channel_dump [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msecs_to_jiffies [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure do_cancel_buffers [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_restart_queue [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_drvdata [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_start_dma [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2018-12-01 16:49:25,655 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_lock_of_cx88_core [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx88_core_put [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_lock_of_cx88_core [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_stop_dma [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mod_timer [2018-12-01 16:49:25,656 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2018-12-01 16:49:25,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_read_config_byte [2018-12-01 16:49:25,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2018-12-01 16:49:25,657 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cx8802_request_acquire [2018-12-01 16:49:25,670 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 305 nodes and edges [2018-12-01 16:49:25,671 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 107 nodes and edges [2018-12-01 16:49:25,672 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-12-01 16:49:25,673 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 16:49:25,674 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 16:49:25,675 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 16:49:25,676 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:49:25,768 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b39397c-df72-4c1c-82fd-6ed0e726427c/bin-2019/ukojak/witness.graphml [2018-12-01 16:49:25,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:49:25,768 INFO L168 Benchmark]: Toolchain (without parser) took 68072.30 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 945.2 MB in the beginning and 1.3 GB in the end (delta: -334.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,769 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:49:25,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 999.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 945.2 MB in the beginning and 944.7 MB in the end (delta: 502.9 kB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.87 ms. Allocated memory is still 1.1 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,770 INFO L168 Benchmark]: Boogie Preprocessor took 70.36 ms. Allocated memory is still 1.1 GB. Free memory was 934.0 MB in the beginning and 917.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,770 INFO L168 Benchmark]: RCFGBuilder took 3317.62 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.7 MB). Free memory was 917.8 MB in the beginning and 1.1 GB in the end (delta: -214.5 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,770 INFO L168 Benchmark]: CodeCheck took 63482.86 ms. Allocated memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -182.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,770 INFO L168 Benchmark]: Witness Printer took 122.71 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. [2018-12-01 16:49:25,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 37 procedures, 540 locations, 1 error locations. SAFE Result, 62.3s OverallTime, 198 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1876155996 SDtfs, -1969241236 SDslu, 1518347888 SDs, 0 SdLazy, -624010104 SolverSat, -1878736140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 371.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 201826 GetRequests, 201112 SyntacticMatches, 226 SemanticMatches, 488 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128147 ImplicationChecksByTransitivity, 44.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 12.7s InterpolantComputationTime, 15716 NumberOfCodeBlocks, 15716 NumberOfCodeBlocksAsserted, 197 NumberOfCheckSat, 15519 ConstructedInterpolants, 0 QuantifiedInterpolants, 2959542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 197 InterpolantComputations, 197 PerfectInterpolantSequences, 5442/5442 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 6308]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6746]: Loop Invariant Derived loop invariant: (((1 == ldv_mutex_lock_of_cx88_core && ldv_mutex_lock_of_v4l2_ctrl_handler == 1) && 1 == ldv_mutex_mutex_of_device) && 0 == ldv_s_cx8802_pci_driver_pci_driver) && ldv_mutex_vb_lock_of_videobuf_queue == 1 - InvariantResult [Line: 6819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6759]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5476]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5413]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6136]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4945]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6791]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6045]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6024]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5064]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5050]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5622]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5086]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6869]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5985]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_mutex_of_device) || !(ldv_mutex_vb_lock_of_videobuf_queue == 1)) || !(1 == ldv_mutex_lock_of_cx88_core)) || !(err == 0)) || !(ldv_mutex_lock_of_v4l2_ctrl_handler == 1) - InvariantResult [Line: 4893]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 999.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 945.2 MB in the beginning and 944.7 MB in the end (delta: 502.9 kB). Peak memory consumption was 108.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.87 ms. Allocated memory is still 1.1 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.36 ms. Allocated memory is still 1.1 GB. Free memory was 934.0 MB in the beginning and 917.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3317.62 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 220.7 MB). Free memory was 917.8 MB in the beginning and 1.1 GB in the end (delta: -214.5 MB). Peak memory consumption was 349.8 MB. Max. memory is 11.5 GB. * CodeCheck took 63482.86 ms. Allocated memory was 1.3 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -182.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 122.71 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...