./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--ethernet--i825xx--znet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--ethernet--i825xx--znet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/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 11dedb11929fb59cfaa4dc7b481f1342a4807c3d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:56:11,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:56:11,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:56:11,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:56:11,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:56:11,960 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:56:11,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:56:11,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:56:11,974 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:56:11,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:56:11,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:56:11,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:56:11,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:56:11,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:56:11,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:56:11,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:56:11,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:56:11,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:56:11,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:56:11,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:56:11,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:56:12,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:56:12,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:56:12,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:56:12,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:56:12,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:56:12,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:56:12,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:56:12,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:56:12,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:56:12,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:56:12,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:56:12,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:56:12,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:56:12,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:56:12,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:56:12,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:56:12,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:56:12,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:56:12,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:56:12,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:56:12,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 01:56:12,042 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:56:12,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:56:12,053 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:56:12,053 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:56:12,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:56:12,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:56:12,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:56:12,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:56:12,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:56:12,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:56:12,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:56:12,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:56:12,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:56:12,056 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:56:12,056 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:56:12,056 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:56:12,056 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:56:12,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:56:12,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:56:12,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:56:12,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:56:12,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:56:12,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:56:12,059 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:56:12,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:56:12,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:56:12,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:56:12,060 INFO L138 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/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/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 -> 11dedb11929fb59cfaa4dc7b481f1342a4807c3d [2019-11-20 01:56:12,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:56:12,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:56:12,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:56:12,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:56:12,262 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:56:12,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--ethernet--i825xx--znet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-11-20 01:56:12,325 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/data/fe647909f/5aceb405d4314f5284021197c303b64f/FLAG0a61a6fd7 [2019-11-20 01:56:13,139 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:56:13,140 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--ethernet--i825xx--znet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-11-20 01:56:13,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/data/fe647909f/5aceb405d4314f5284021197c303b64f/FLAG0a61a6fd7 [2019-11-20 01:56:13,642 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/data/fe647909f/5aceb405d4314f5284021197c303b64f [2019-11-20 01:56:13,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:56:13,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:56:13,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:56:13,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:56:13,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:56:13,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:56:13" (1/1) ... [2019-11-20 01:56:13,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e48121 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:13, skipping insertion in model container [2019-11-20 01:56:13,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:56:13" (1/1) ... [2019-11-20 01:56:13,679 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:56:13,788 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:56:14,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:56:14,986 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:56:15,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:56:15,470 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:56:15,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15 WrapperNode [2019-11-20 01:56:15,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:56:15,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:56:15,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:56:15,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:56:15,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:56:15,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:56:15,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:56:15,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:56:15,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... [2019-11-20 01:56:15,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:56:15,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:56:15,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:56:15,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:56:15,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/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 [2019-11-20 01:56:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure znet_transceiver_power [2019-11-20 01:56:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure znet_transceiver_power [2019-11-20 01:56:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_count [2019-11-20 01:56:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_count [2019-11-20 01:56:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2019-11-20 01:56:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2019-11-20 01:56:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-20 01:56:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-11-20 01:56:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 01:56:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 01:56:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:56:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-20 01:56:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-20 01:56:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-20 01:56:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-20 01:56:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-20 01:56:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-20 01:56:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-20 01:56:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-20 01:56:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-20 01:56:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-20 01:56:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-20 01:56:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-20 01:56:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-11-20 01:56:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-11-20 01:56:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-20 01:56:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-20 01:56:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-20 01:56:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-20 01:56:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:56:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-20 01:56:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-20 01:56:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-20 01:56:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-20 01:56:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-20 01:56:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-20 01:56:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_mode [2019-11-20 01:56:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_mode [2019-11-20 01:56:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure show_dma [2019-11-20 01:56:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dma [2019-11-20 01:56:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2019-11-20 01:56:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2019-11-20 01:56:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-20 01:56:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-20 01:56:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 01:56:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure znet_set_multicast_list [2019-11-20 01:56:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure znet_set_multicast_list [2019-11-20 01:56:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2019-11-20 01:56:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2019-11-20 01:56:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure hardware_init [2019-11-20 01:56:15,902 INFO L138 BoogieDeclarations]: Found implementation of procedure hardware_init [2019-11-20 01:56:15,902 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-20 01:56:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-20 01:56:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure update_stop_hit [2019-11-20 01:56:15,903 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stop_hit [2019-11-20 01:56:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure set_dma_addr [2019-11-20 01:56:15,904 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dma_addr [2019-11-20 01:56:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-20 01:56:15,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-20 01:56:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 01:56:15,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:56:15,907 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2019-11-20 01:56:15,907 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2019-11-20 01:56:15,908 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2019-11-20 01:56:15,908 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2019-11-20 01:56:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 01:56:15,909 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-20 01:56:15,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-20 01:56:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:56:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 01:56:15,911 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-20 01:56:15,912 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-20 01:56:15,912 INFO L130 BoogieDeclarations]: Found specification of procedure isa_virt_to_bus [2019-11-20 01:56:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isa_virt_to_bus [2019-11-20 01:56:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-20 01:56:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-20 01:56:15,913 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2019-11-20 01:56:15,913 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2019-11-20 01:56:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-20 01:56:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-20 01:56:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-11-20 01:56:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-11-20 01:56:15,914 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-20 01:56:15,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-20 01:56:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-11-20 01:56:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-11-20 01:56:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2019-11-20 01:56:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2019-11-20 01:56:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-20 01:56:15,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-20 01:56:15,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:56:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-20 01:56:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-20 01:56:15,916 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-11-20 01:56:15,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-11-20 01:56:15,919 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2019-11-20 01:56:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2019-11-20 01:56:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-20 01:56:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2019-11-20 01:56:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2019-11-20 01:56:15,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:56:15,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:58:04,095 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:58:04,095 INFO L285 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-20 01:58:04,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:04 BoogieIcfgContainer [2019-11-20 01:58:04,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:58:04,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:58:04,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:58:04,112 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:58:04,112 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:04" (1/1) ... [2019-11-20 01:58:04,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:58:04,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:04,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 521 states and 748 transitions. [2019-11-20 01:58:04,226 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 748 transitions. [2019-11-20 01:58:04,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:58:04,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:04,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 525 states and 758 transitions. [2019-11-20 01:58:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 758 transitions. [2019-11-20 01:58:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 01:58:04,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 531 states and 773 transitions. [2019-11-20 01:58:05,461 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 773 transitions. [2019-11-20 01:58:05,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:58:05,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:06,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:06,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 538 states and 789 transitions. [2019-11-20 01:58:06,161 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 789 transitions. [2019-11-20 01:58:06,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 01:58:06,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:06,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 539 states and 789 transitions. [2019-11-20 01:58:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 789 transitions. [2019-11-20 01:58:06,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:58:06,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:06,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 540 states and 789 transitions. [2019-11-20 01:58:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 789 transitions. [2019-11-20 01:58:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:58:06,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 542 states and 792 transitions. [2019-11-20 01:58:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 792 transitions. [2019-11-20 01:58:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:58:07,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 543 states and 792 transitions. [2019-11-20 01:58:07,515 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 792 transitions. [2019-11-20 01:58:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:58:07,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:07,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 544 states and 792 transitions. [2019-11-20 01:58:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 792 transitions. [2019-11-20 01:58:07,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:58:07,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 539 states and 783 transitions. [2019-11-20 01:58:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 783 transitions. [2019-11-20 01:58:07,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:58:07,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:08,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 541 states and 786 transitions. [2019-11-20 01:58:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 786 transitions. [2019-11-20 01:58:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:58:08,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:08,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 536 states and 777 transitions. [2019-11-20 01:58:08,253 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 777 transitions. [2019-11-20 01:58:08,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:58:08,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:08,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 538 states and 780 transitions. [2019-11-20 01:58:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 780 transitions. [2019-11-20 01:58:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 01:58:08,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 01:58:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 540 states and 783 transitions. [2019-11-20 01:58:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 783 transitions. [2019-11-20 01:58:09,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 01:58:09,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 540 states and 782 transitions. [2019-11-20 01:58:09,233 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 782 transitions. [2019-11-20 01:58:09,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:58:09,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 535 states and 773 transitions. [2019-11-20 01:58:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 773 transitions. [2019-11-20 01:58:09,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 01:58:09,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:09,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 535 states and 772 transitions. [2019-11-20 01:58:09,402 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 772 transitions. [2019-11-20 01:58:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 01:58:09,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:58:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 535 states and 771 transitions. [2019-11-20 01:58:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 771 transitions. [2019-11-20 01:58:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:58:09,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 01:58:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 537 states and 774 transitions. [2019-11-20 01:58:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 774 transitions. [2019-11-20 01:58:10,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:58:10,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 01:58:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 538 states and 776 transitions. [2019-11-20 01:58:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 776 transitions. [2019-11-20 01:58:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:58:10,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 01:58:11,250 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-20 01:58:11,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 540 states and 779 transitions. [2019-11-20 01:58:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 779 transitions. [2019-11-20 01:58:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 01:58:11,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 01:58:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 542 states and 782 transitions. [2019-11-20 01:58:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 782 transitions. [2019-11-20 01:58:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 01:58:12,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:12,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 01:58:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 544 states and 785 transitions. [2019-11-20 01:58:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 785 transitions. [2019-11-20 01:58:13,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 01:58:13,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:13,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:14,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 546 states and 787 transitions. [2019-11-20 01:58:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 787 transitions. [2019-11-20 01:58:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 01:58:14,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 01:58:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:14,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 551 states and 805 transitions. [2019-11-20 01:58:14,542 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 805 transitions. [2019-11-20 01:58:14,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:58:14,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 553 states and 807 transitions. [2019-11-20 01:58:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 807 transitions. [2019-11-20 01:58:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:58:15,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 01:58:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 558 states and 825 transitions. [2019-11-20 01:58:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 825 transitions. [2019-11-20 01:58:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 01:58:15,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:16,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 560 states and 827 transitions. [2019-11-20 01:58:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 827 transitions. [2019-11-20 01:58:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 01:58:16,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 01:58:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 565 states and 845 transitions. [2019-11-20 01:58:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 845 transitions. [2019-11-20 01:58:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 01:58:16,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 01:58:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:19,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 589 states and 897 transitions. [2019-11-20 01:58:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 897 transitions. [2019-11-20 01:58:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:58:19,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:19,309 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:19,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 592 states and 901 transitions. [2019-11-20 01:58:19,335 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 901 transitions. [2019-11-20 01:58:19,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 01:58:19,336 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:19,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 595 states and 907 transitions. [2019-11-20 01:58:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 907 transitions. [2019-11-20 01:58:19,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:58:19,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 595 states and 906 transitions. [2019-11-20 01:58:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 906 transitions. [2019-11-20 01:58:20,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 01:58:20,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:20,093 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 598 states and 910 transitions. [2019-11-20 01:58:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 910 transitions. [2019-11-20 01:58:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:58:20,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:20,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 601 states and 916 transitions. [2019-11-20 01:58:20,679 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 916 transitions. [2019-11-20 01:58:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 01:58:20,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 601 states and 915 transitions. [2019-11-20 01:58:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 915 transitions. [2019-11-20 01:58:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 01:58:20,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 604 states and 919 transitions. [2019-11-20 01:58:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 919 transitions. [2019-11-20 01:58:21,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:58:21,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:21,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 588 states and 891 transitions. [2019-11-20 01:58:21,119 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 891 transitions. [2019-11-20 01:58:21,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:58:21,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,207 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 591 states and 897 transitions. [2019-11-20 01:58:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 897 transitions. [2019-11-20 01:58:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 01:58:21,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,559 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 591 states and 896 transitions. [2019-11-20 01:58:21,589 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 896 transitions. [2019-11-20 01:58:21,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 01:58:21,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 595 states and 903 transitions. [2019-11-20 01:58:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 903 transitions. [2019-11-20 01:58:21,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 01:58:21,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,802 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 01:58:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 597 states and 905 transitions. [2019-11-20 01:58:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 905 transitions. [2019-11-20 01:58:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 01:58:21,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:21,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 601 states and 912 transitions. [2019-11-20 01:58:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 912 transitions. [2019-11-20 01:58:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 01:58:21,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:22,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 601 states and 911 transitions. [2019-11-20 01:58:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 911 transitions. [2019-11-20 01:58:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-20 01:58:22,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 592 states and 898 transitions. [2019-11-20 01:58:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 898 transitions. [2019-11-20 01:58:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 01:58:22,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:58:22,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 596 states and 905 transitions. [2019-11-20 01:58:22,282 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 905 transitions. [2019-11-20 01:58:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 01:58:22,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:22,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 587 states and 892 transitions. [2019-11-20 01:58:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 892 transitions. [2019-11-20 01:58:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 01:58:22,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,489 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 594 states and 902 transitions. [2019-11-20 01:58:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 902 transitions. [2019-11-20 01:58:22,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 01:58:22,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 585 states and 889 transitions. [2019-11-20 01:58:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 889 transitions. [2019-11-20 01:58:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 01:58:22,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 01:58:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 589 states and 896 transitions. [2019-11-20 01:58:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 896 transitions. [2019-11-20 01:58:22,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-20 01:58:22,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 596 states and 906 transitions. [2019-11-20 01:58:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 906 transitions. [2019-11-20 01:58:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 01:58:22,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 603 states and 916 transitions. [2019-11-20 01:58:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 916 transitions. [2019-11-20 01:58:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 01:58:23,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,127 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 606 states and 920 transitions. [2019-11-20 01:58:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 920 transitions. [2019-11-20 01:58:23,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 01:58:23,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 618 states and 939 transitions. [2019-11-20 01:58:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 939 transitions. [2019-11-20 01:58:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 01:58:23,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 627 states and 953 transitions. [2019-11-20 01:58:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 953 transitions. [2019-11-20 01:58:23,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 01:58:23,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,721 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 639 states and 972 transitions. [2019-11-20 01:58:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 972 transitions. [2019-11-20 01:58:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 01:58:23,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,870 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 648 states and 986 transitions. [2019-11-20 01:58:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 986 transitions. [2019-11-20 01:58:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 01:58:23,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 660 states and 1005 transitions. [2019-11-20 01:58:24,088 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1005 transitions. [2019-11-20 01:58:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-20 01:58:24,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 669 states and 1019 transitions. [2019-11-20 01:58:24,238 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1019 transitions. [2019-11-20 01:58:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 01:58:24,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 662 states and 1006 transitions. [2019-11-20 01:58:24,376 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1006 transitions. [2019-11-20 01:58:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 01:58:24,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 01:58:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 671 states and 1020 transitions. [2019-11-20 01:58:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1020 transitions. [2019-11-20 01:58:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-20 01:58:24,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 681 states and 1038 transitions. [2019-11-20 01:58:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1038 transitions. [2019-11-20 01:58:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 01:58:24,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:25,091 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 684 states and 1042 transitions. [2019-11-20 01:58:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1042 transitions. [2019-11-20 01:58:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 01:58:26,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 694 states and 1060 transitions. [2019-11-20 01:58:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1060 transitions. [2019-11-20 01:58:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 01:58:26,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 704 states and 1078 transitions. [2019-11-20 01:58:26,669 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1078 transitions. [2019-11-20 01:58:26,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 01:58:26,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 710 states and 1087 transitions. [2019-11-20 01:58:26,790 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1087 transitions. [2019-11-20 01:58:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 01:58:26,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 716 states and 1096 transitions. [2019-11-20 01:58:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1096 transitions. [2019-11-20 01:58:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 01:58:26,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 01:58:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 726 states and 1114 transitions. [2019-11-20 01:58:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1114 transitions. [2019-11-20 01:58:27,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 01:58:27,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 728 states and 1117 transitions. [2019-11-20 01:58:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1117 transitions. [2019-11-20 01:58:27,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 01:58:27,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 01:58:27,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 734 states and 1126 transitions. [2019-11-20 01:58:27,551 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1126 transitions. [2019-11-20 01:58:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 01:58:27,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:27,665 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 736 states and 1129 transitions. [2019-11-20 01:58:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1129 transitions. [2019-11-20 01:58:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 01:58:27,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:28,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 745 states and 1160 transitions. [2019-11-20 01:58:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1160 transitions. [2019-11-20 01:58:29,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 01:58:29,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 747 states and 1163 transitions. [2019-11-20 01:58:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1163 transitions. [2019-11-20 01:58:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 01:58:29,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:29,320 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 01:58:29,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 749 states and 1166 transitions. [2019-11-20 01:58:29,356 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1166 transitions. [2019-11-20 01:58:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 01:58:29,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:29,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 755 states and 1175 transitions. [2019-11-20 01:58:29,492 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1175 transitions. [2019-11-20 01:58:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-20 01:58:29,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:29,595 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 760 states and 1187 transitions. [2019-11-20 01:58:30,401 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1187 transitions. [2019-11-20 01:58:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 01:58:30,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 766 states and 1196 transitions. [2019-11-20 01:58:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1196 transitions. [2019-11-20 01:58:30,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 01:58:30,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 771 states and 1208 transitions. [2019-11-20 01:58:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1208 transitions. [2019-11-20 01:58:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 01:58:31,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:58:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 777 states and 1217 transitions. [2019-11-20 01:58:31,910 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1217 transitions. [2019-11-20 01:58:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 01:58:31,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 782 states and 1229 transitions. [2019-11-20 01:58:32,839 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1229 transitions. [2019-11-20 01:58:32,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 01:58:32,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:33,575 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 01:58:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 784 states and 1230 transitions. [2019-11-20 01:58:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1230 transitions. [2019-11-20 01:58:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 01:58:34,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,613 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:34,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 793 states and 1244 transitions. [2019-11-20 01:58:34,667 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1244 transitions. [2019-11-20 01:58:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 01:58:34,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:34,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 799 states and 1253 transitions. [2019-11-20 01:58:34,814 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1253 transitions. [2019-11-20 01:58:34,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-20 01:58:34,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 01:58:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 804 states and 1265 transitions. [2019-11-20 01:58:35,641 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1265 transitions. [2019-11-20 01:58:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 01:58:35,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 01:58:36,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 806 states and 1266 transitions. [2019-11-20 01:58:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1266 transitions. [2019-11-20 01:58:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 01:58:36,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:36,746 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:36,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:36,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 815 states and 1280 transitions. [2019-11-20 01:58:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1280 transitions. [2019-11-20 01:58:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 01:58:36,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 01:58:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 817 states and 1281 transitions. [2019-11-20 01:58:37,684 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1281 transitions. [2019-11-20 01:58:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 01:58:37,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 826 states and 1295 transitions. [2019-11-20 01:58:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1295 transitions. [2019-11-20 01:58:37,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 01:58:37,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:38,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:38,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 831 states and 1307 transitions. [2019-11-20 01:58:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1307 transitions. [2019-11-20 01:58:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-20 01:58:38,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 836 states and 1319 transitions. [2019-11-20 01:58:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1319 transitions. [2019-11-20 01:58:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 01:58:39,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 845 states and 1333 transitions. [2019-11-20 01:58:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1333 transitions. [2019-11-20 01:58:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 01:58:39,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:40,014 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 850 states and 1345 transitions. [2019-11-20 01:58:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1345 transitions. [2019-11-20 01:58:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 01:58:40,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 01:58:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:41,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 855 states and 1354 transitions. [2019-11-20 01:58:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1354 transitions. [2019-11-20 01:58:41,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 01:58:41,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:41,123 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 861 states and 1363 transitions. [2019-11-20 01:58:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1363 transitions. [2019-11-20 01:58:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 01:58:41,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1620 states to 867 states and 1372 transitions. [2019-11-20 01:58:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1372 transitions. [2019-11-20 01:58:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 01:58:41,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 872 states and 1384 transitions. [2019-11-20 01:58:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1384 transitions. [2019-11-20 01:58:42,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-20 01:58:42,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:42,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:42,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 878 states and 1393 transitions. [2019-11-20 01:58:42,604 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1393 transitions. [2019-11-20 01:58:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-20 01:58:42,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:42,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 884 states and 1402 transitions. [2019-11-20 01:58:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1402 transitions. [2019-11-20 01:58:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 01:58:42,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:42,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 890 states and 1411 transitions. [2019-11-20 01:58:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1411 transitions. [2019-11-20 01:58:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 01:58:42,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 01:58:43,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:43,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 896 states and 1420 transitions. [2019-11-20 01:58:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1420 transitions. [2019-11-20 01:58:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 01:58:43,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 902 states and 1429 transitions. [2019-11-20 01:58:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1429 transitions. [2019-11-20 01:58:43,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-20 01:58:43,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 910 states and 1444 transitions. [2019-11-20 01:58:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1444 transitions. [2019-11-20 01:58:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 01:58:43,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 915 states and 1453 transitions. [2019-11-20 01:58:43,553 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1453 transitions. [2019-11-20 01:58:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 01:58:43,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:43,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 916 states and 1454 transitions. [2019-11-20 01:58:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1454 transitions. [2019-11-20 01:58:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-20 01:58:43,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:43,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 921 states and 1463 transitions. [2019-11-20 01:58:43,871 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1463 transitions. [2019-11-20 01:58:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 01:58:43,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 927 states and 1472 transitions. [2019-11-20 01:58:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1472 transitions. [2019-11-20 01:58:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 01:58:44,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 932 states and 1481 transitions. [2019-11-20 01:58:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1481 transitions. [2019-11-20 01:58:44,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 01:58:44,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 938 states and 1490 transitions. [2019-11-20 01:58:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1490 transitions. [2019-11-20 01:58:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 01:58:44,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 944 states and 1499 transitions. [2019-11-20 01:58:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1499 transitions. [2019-11-20 01:58:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 01:58:44,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 01:58:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 949 states and 1508 transitions. [2019-11-20 01:58:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1508 transitions. [2019-11-20 01:58:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 01:58:44,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:58:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 951 states and 1511 transitions. [2019-11-20 01:58:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1511 transitions. [2019-11-20 01:58:44,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 01:58:44,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,045 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:45,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 959 states and 1526 transitions. [2019-11-20 01:58:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1526 transitions. [2019-11-20 01:58:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 01:58:45,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 01:58:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 964 states and 1535 transitions. [2019-11-20 01:58:45,202 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1535 transitions. [2019-11-20 01:58:45,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 01:58:45,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 965 states and 1536 transitions. [2019-11-20 01:58:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1536 transitions. [2019-11-20 01:58:45,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 01:58:45,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,424 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 973 states and 1551 transitions. [2019-11-20 01:58:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1551 transitions. [2019-11-20 01:58:45,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 01:58:45,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 01:58:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 979 states and 1560 transitions. [2019-11-20 01:58:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1560 transitions. [2019-11-20 01:58:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 01:58:45,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 01:58:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 984 states and 1569 transitions. [2019-11-20 01:58:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1569 transitions. [2019-11-20 01:58:45,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 01:58:45,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,826 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 989 states and 1575 transitions. [2019-11-20 01:58:45,853 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1575 transitions. [2019-11-20 01:58:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 01:58:45,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:45,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 990 states and 1576 transitions. [2019-11-20 01:58:45,969 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1576 transitions. [2019-11-20 01:58:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 01:58:45,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 998 states and 1591 transitions. [2019-11-20 01:58:46,124 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1591 transitions. [2019-11-20 01:58:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-20 01:58:46,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 01:58:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1848 states to 1003 states and 1600 transitions. [2019-11-20 01:58:46,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1600 transitions. [2019-11-20 01:58:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 01:58:46,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,376 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1008 states and 1606 transitions. [2019-11-20 01:58:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1606 transitions. [2019-11-20 01:58:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-20 01:58:46,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,515 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:58:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1009 states and 1607 transitions. [2019-11-20 01:58:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1607 transitions. [2019-11-20 01:58:46,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 01:58:46,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 01:58:46,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1013 states and 1613 transitions. [2019-11-20 01:58:46,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1613 transitions. [2019-11-20 01:58:46,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 01:58:46,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:46,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1018 states and 1619 transitions. [2019-11-20 01:58:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1619 transitions. [2019-11-20 01:58:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 01:58:46,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 01:58:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1019 states and 1619 transitions. [2019-11-20 01:58:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1619 transitions. [2019-11-20 01:58:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-20 01:58:46,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1027 states and 1634 transitions. [2019-11-20 01:58:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1634 transitions. [2019-11-20 01:58:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 01:58:47,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-20 01:58:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1032 states and 1643 transitions. [2019-11-20 01:58:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1643 transitions. [2019-11-20 01:58:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 01:58:47,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1034 states and 1646 transitions. [2019-11-20 01:58:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1646 transitions. [2019-11-20 01:58:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 01:58:47,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 01:58:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1035 states and 1647 transitions. [2019-11-20 01:58:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1647 transitions. [2019-11-20 01:58:47,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 01:58:47,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1053 states and 1679 transitions. [2019-11-20 01:58:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1679 transitions. [2019-11-20 01:58:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 01:58:47,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1055 states and 1682 transitions. [2019-11-20 01:58:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1682 transitions. [2019-11-20 01:58:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 01:58:47,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:47,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:47,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1063 states and 1697 transitions. [2019-11-20 01:58:47,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1697 transitions. [2019-11-20 01:58:47,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 01:58:47,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1081 states and 1729 transitions. [2019-11-20 01:58:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1729 transitions. [2019-11-20 01:58:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 01:58:48,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,177 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1083 states and 1732 transitions. [2019-11-20 01:58:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1732 transitions. [2019-11-20 01:58:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 01:58:48,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:58:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1986 states to 1087 states and 1738 transitions. [2019-11-20 01:58:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1738 transitions. [2019-11-20 01:58:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 01:58:48,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,433 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:58:48,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1089 states and 1740 transitions. [2019-11-20 01:58:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1740 transitions. [2019-11-20 01:58:48,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 01:58:48,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:48,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1090 states and 1741 transitions. [2019-11-20 01:58:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1741 transitions. [2019-11-20 01:58:48,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 01:58:48,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1098 states and 1756 transitions. [2019-11-20 01:58:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1756 transitions. [2019-11-20 01:58:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 01:58:48,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,788 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:58:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2036 states to 1116 states and 1788 transitions. [2019-11-20 01:58:48,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1788 transitions. [2019-11-20 01:58:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 01:58:48,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,961 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:58:48,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 1119 states and 1792 transitions. [2019-11-20 01:58:48,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1792 transitions. [2019-11-20 01:58:48,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 01:58:48,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2046 states to 1123 states and 1798 transitions. [2019-11-20 01:58:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1798 transitions. [2019-11-20 01:58:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 01:58:49,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1124 states and 1799 transitions. [2019-11-20 01:58:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1799 transitions. [2019-11-20 01:58:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 01:58:49,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:49,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1132 states and 1814 transitions. [2019-11-20 01:58:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1814 transitions. [2019-11-20 01:58:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 01:58:49,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 1136 states and 1819 transitions. [2019-11-20 01:58:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1819 transitions. [2019-11-20 01:58:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 01:58:49,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:58:49,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1139 states and 1823 transitions. [2019-11-20 01:58:49,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1823 transitions. [2019-11-20 01:58:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 01:58:49,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 01:58:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1141 states and 1826 transitions. [2019-11-20 01:58:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1826 transitions. [2019-11-20 01:58:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 01:58:49,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,009 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:50,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1145 states and 1832 transitions. [2019-11-20 01:58:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1832 transitions. [2019-11-20 01:58:50,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 01:58:50,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1146 states and 1832 transitions. [2019-11-20 01:58:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1832 transitions. [2019-11-20 01:58:50,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 01:58:50,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 01:58:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1147 states and 1833 transitions. [2019-11-20 01:58:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1833 transitions. [2019-11-20 01:58:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 01:58:50,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-20 01:58:50,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1165 states and 1865 transitions. [2019-11-20 01:58:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1865 transitions. [2019-11-20 01:58:50,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 01:58:50,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1169 states and 1870 transitions. [2019-11-20 01:58:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1870 transitions. [2019-11-20 01:58:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 01:58:50,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 01:58:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1172 states and 1874 transitions. [2019-11-20 01:58:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1874 transitions. [2019-11-20 01:58:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 01:58:50,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:50,927 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 1176 states and 1880 transitions. [2019-11-20 01:58:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1880 transitions. [2019-11-20 01:58:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 01:58:50,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,047 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2128 states to 1177 states and 1880 transitions. [2019-11-20 01:58:51,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1880 transitions. [2019-11-20 01:58:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 01:58:51,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 01:58:51,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1185 states and 1895 transitions. [2019-11-20 01:58:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1895 transitions. [2019-11-20 01:58:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:58:51,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:51,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1189 states and 1900 transitions. [2019-11-20 01:58:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1900 transitions. [2019-11-20 01:58:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 01:58:51,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1190 states and 1900 transitions. [2019-11-20 01:58:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1900 transitions. [2019-11-20 01:58:51,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 01:58:51,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:51,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1192 states and 1903 transitions. [2019-11-20 01:58:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1903 transitions. [2019-11-20 01:58:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 01:58:51,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-20 01:58:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1193 states and 1904 transitions. [2019-11-20 01:58:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1904 transitions. [2019-11-20 01:58:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 01:58:51,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1197 states and 1910 transitions. [2019-11-20 01:58:51,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1910 transitions. [2019-11-20 01:58:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:58:51,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 01:58:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:51,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2162 states to 1200 states and 1914 transitions. [2019-11-20 01:58:51,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1914 transitions. [2019-11-20 01:58:51,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 01:58:51,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 01:58:52,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1203 states and 1918 transitions. [2019-11-20 01:58:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1918 transitions. [2019-11-20 01:58:52,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 01:58:52,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,099 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:52,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1207 states and 1924 transitions. [2019-11-20 01:58:52,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1924 transitions. [2019-11-20 01:58:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 01:58:52,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2174 states to 1209 states and 1926 transitions. [2019-11-20 01:58:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1926 transitions. [2019-11-20 01:58:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 01:58:52,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-20 01:58:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 1213 states and 1932 transitions. [2019-11-20 01:58:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1932 transitions. [2019-11-20 01:58:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-20 01:58:52,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1215 states and 1935 transitions. [2019-11-20 01:58:52,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1935 transitions. [2019-11-20 01:58:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 01:58:52,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:52,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1219 states and 1941 transitions. [2019-11-20 01:58:52,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1941 transitions. [2019-11-20 01:58:52,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 01:58:52,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1220 states and 1941 transitions. [2019-11-20 01:58:52,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1941 transitions. [2019-11-20 01:58:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:58:52,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,828 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 01:58:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1224 states and 1946 transitions. [2019-11-20 01:58:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1946 transitions. [2019-11-20 01:58:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 01:58:52,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,954 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 01:58:52,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1227 states and 1950 transitions. [2019-11-20 01:58:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1950 transitions. [2019-11-20 01:58:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 01:58:52,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 1231 states and 1956 transitions. [2019-11-20 01:58:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1956 transitions. [2019-11-20 01:58:53,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 01:58:53,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1233 states and 1958 transitions. [2019-11-20 01:58:53,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1958 transitions. [2019-11-20 01:58:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 01:58:53,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-20 01:58:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1234 states and 1958 transitions. [2019-11-20 01:58:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1958 transitions. [2019-11-20 01:58:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 01:58:53,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,475 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1236 states and 1961 transitions. [2019-11-20 01:58:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1961 transitions. [2019-11-20 01:58:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:58:53,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:53,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1240 states and 1967 transitions. [2019-11-20 01:58:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1967 transitions. [2019-11-20 01:58:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:58:53,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1241 states and 1967 transitions. [2019-11-20 01:58:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1967 transitions. [2019-11-20 01:58:53,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 01:58:53,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1245 states and 1972 transitions. [2019-11-20 01:58:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1972 transitions. [2019-11-20 01:58:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 01:58:54,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:54,793 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-11-20 01:58:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1247 states and 1975 transitions. [2019-11-20 01:58:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1975 transitions. [2019-11-20 01:58:54,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:54,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 01:58:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 1250 states and 1979 transitions. [2019-11-20 01:58:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1979 transitions. [2019-11-20 01:58:55,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 01:58:55,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:55,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1254 states and 1985 transitions. [2019-11-20 01:58:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1985 transitions. [2019-11-20 01:58:55,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 01:58:55,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,284 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:58:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1256 states and 1987 transitions. [2019-11-20 01:58:55,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1987 transitions. [2019-11-20 01:58:55,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 01:58:55,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,402 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:55,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1257 states and 1987 transitions. [2019-11-20 01:58:55,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1987 transitions. [2019-11-20 01:58:55,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 01:58:55,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 01:58:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1263 states and 1996 transitions. [2019-11-20 01:58:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1996 transitions. [2019-11-20 01:58:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 01:58:55,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 01:58:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1265 states and 1999 transitions. [2019-11-20 01:58:55,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1999 transitions. [2019-11-20 01:58:55,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:58:55,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,741 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 01:58:55,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1269 states and 2005 transitions. [2019-11-20 01:58:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2005 transitions. [2019-11-20 01:58:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 01:58:55,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1272 states and 2009 transitions. [2019-11-20 01:58:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2009 transitions. [2019-11-20 01:58:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 01:58:55,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 01:58:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 1276 states and 2015 transitions. [2019-11-20 01:58:56,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2015 transitions. [2019-11-20 01:58:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 01:58:56,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 01:58:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1278 states and 2017 transitions. [2019-11-20 01:58:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 2017 transitions. [2019-11-20 01:58:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 01:58:56,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 01:58:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1279 states and 2017 transitions. [2019-11-20 01:58:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2017 transitions. [2019-11-20 01:58:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:58:56,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 1283 states and 2023 transitions. [2019-11-20 01:58:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2023 transitions. [2019-11-20 01:58:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:58:56,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:56,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1285 states and 2025 transitions. [2019-11-20 01:58:56,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 2025 transitions. [2019-11-20 01:58:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 01:58:56,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 01:58:56,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1287 states and 2028 transitions. [2019-11-20 01:58:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 2028 transitions. [2019-11-20 01:58:56,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 01:58:56,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,819 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1291 states and 2034 transitions. [2019-11-20 01:58:56,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 2034 transitions. [2019-11-20 01:58:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 01:58:56,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:57,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1293 states and 2036 transitions. [2019-11-20 01:58:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 2036 transitions. [2019-11-20 01:58:57,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-20 01:58:57,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 01:58:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1295 states and 2039 transitions. [2019-11-20 01:58:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2039 transitions. [2019-11-20 01:58:57,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 01:58:57,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1301 states and 2048 transitions. [2019-11-20 01:58:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2048 transitions. [2019-11-20 01:58:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:58:57,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1305 states and 2054 transitions. [2019-11-20 01:58:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 2054 transitions. [2019-11-20 01:58:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:58:57,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 01:58:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1307 states and 2056 transitions. [2019-11-20 01:58:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 2056 transitions. [2019-11-20 01:58:57,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 01:58:57,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 01:58:57,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1309 states and 2059 transitions. [2019-11-20 01:58:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2059 transitions. [2019-11-20 01:58:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 01:58:57,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1315 states and 2068 transitions. [2019-11-20 01:58:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2068 transitions. [2019-11-20 01:58:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 01:58:57,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:58,098 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 01:58:58,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 1321 states and 2077 transitions. [2019-11-20 01:58:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2077 transitions. [2019-11-20 01:58:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:58,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:58,293 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 01:58:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:58,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 1325 states and 2083 transitions. [2019-11-20 01:58:58,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 2083 transitions. [2019-11-20 01:58:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:58,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 01:58:58,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1327 states and 2085 transitions. [2019-11-20 01:58:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 2085 transitions. [2019-11-20 01:58:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 01:58:58,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 01:58:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1329 states and 2088 transitions. [2019-11-20 01:58:58,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2088 transitions. [2019-11-20 01:58:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 01:58:58,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 01:58:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:58,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 1337 states and 2099 transitions. [2019-11-20 01:58:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2099 transitions. [2019-11-20 01:58:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 01:58:58,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-20 01:58:58,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:58,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1343 states and 2108 transitions. [2019-11-20 01:58:58,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 2108 transitions. [2019-11-20 01:58:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 01:58:58,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,039 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 01:58:59,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 1345 states and 2111 transitions. [2019-11-20 01:58:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2111 transitions. [2019-11-20 01:58:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-20 01:58:59,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,166 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 01:58:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1347 states and 2114 transitions. [2019-11-20 01:58:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2114 transitions. [2019-11-20 01:58:59,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 01:58:59,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,302 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 1353 states and 2123 transitions. [2019-11-20 01:58:59,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 2123 transitions. [2019-11-20 01:58:59,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 01:58:59,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-20 01:58:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 1355 states and 2126 transitions. [2019-11-20 01:58:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2126 transitions. [2019-11-20 01:58:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 01:58:59,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 1361 states and 2135 transitions. [2019-11-20 01:58:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2135 transitions. [2019-11-20 01:58:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 01:58:59,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 01:58:59,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 1369 states and 2146 transitions. [2019-11-20 01:58:59,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2146 transitions. [2019-11-20 01:58:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-20 01:58:59,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-11-20 01:58:59,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 1375 states and 2155 transitions. [2019-11-20 01:58:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2155 transitions. [2019-11-20 01:58:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 01:58:59,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2019-11-20 01:59:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1377 states and 2158 transitions. [2019-11-20 01:59:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2158 transitions. [2019-11-20 01:59:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 01:59:00,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 01:59:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 1385 states and 2169 transitions. [2019-11-20 01:59:00,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2169 transitions. [2019-11-20 01:59:00,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 01:59:00,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-20 01:59:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 1393 states and 2180 transitions. [2019-11-20 01:59:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2180 transitions. [2019-11-20 01:59:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 01:59:00,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,462 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 01:59:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 1399 states and 2189 transitions. [2019-11-20 01:59:00,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2189 transitions. [2019-11-20 01:59:00,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-20 01:59:00,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-20 01:59:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 1407 states and 2200 transitions. [2019-11-20 01:59:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2200 transitions. [2019-11-20 01:59:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 01:59:00,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 01:59:00,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2470 states to 1415 states and 2211 transitions. [2019-11-20 01:59:00,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2211 transitions. [2019-11-20 01:59:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 01:59:00,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 01:59:01,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 1423 states and 2222 transitions. [2019-11-20 01:59:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2222 transitions. [2019-11-20 01:59:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 01:59:01,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 01:59:01,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 1431 states and 2233 transitions. [2019-11-20 01:59:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2233 transitions. [2019-11-20 01:59:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 01:59:01,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-20 01:59:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 1439 states and 2244 transitions. [2019-11-20 01:59:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2244 transitions. [2019-11-20 01:59:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2019-11-20 01:59:01,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-11-20 01:59:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:01,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 1456 states and 2272 transitions. [2019-11-20 01:59:01,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2272 transitions. [2019-11-20 01:59:01,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2019-11-20 01:59:01,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-11-20 01:59:02,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 1473 states and 2300 transitions. [2019-11-20 01:59:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2300 transitions. [2019-11-20 01:59:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-20 01:59:02,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1339 trivial. 0 not checked. [2019-11-20 01:59:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 1490 states and 2328 transitions. [2019-11-20 01:59:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2328 transitions. [2019-11-20 01:59:02,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-11-20 01:59:02,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:03,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2019-11-20 01:59:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:04,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 1492 states and 2330 transitions. [2019-11-20 01:59:04,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2330 transitions. [2019-11-20 01:59:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-11-20 01:59:04,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-11-20 01:59:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:06,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 1495 states and 2334 transitions. [2019-11-20 01:59:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2334 transitions. [2019-11-20 01:59:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2019-11-20 01:59:06,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-11-20 01:59:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 1498 states and 2338 transitions. [2019-11-20 01:59:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2338 transitions. [2019-11-20 01:59:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2019-11-20 01:59:07,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:08,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2019-11-20 01:59:08,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:08,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 1515 states and 2366 transitions. [2019-11-20 01:59:08,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 2366 transitions. [2019-11-20 01:59:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-11-20 01:59:08,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:08,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-11-20 01:59:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 1525 states and 2382 transitions. [2019-11-20 01:59:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2382 transitions. [2019-11-20 01:59:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-11-20 01:59:08,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1203 trivial. 0 not checked. [2019-11-20 01:59:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 1528 states and 2386 transitions. [2019-11-20 01:59:10,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2386 transitions. [2019-11-20 01:59:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-11-20 01:59:10,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2019-11-20 01:59:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 1530 states and 2388 transitions. [2019-11-20 01:59:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 2388 transitions. [2019-11-20 01:59:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2019-11-20 01:59:10,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:10,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-11-20 01:59:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 1540 states and 2404 transitions. [2019-11-20 01:59:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 2404 transitions. [2019-11-20 01:59:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-11-20 01:59:10,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:10,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2019-11-20 01:59:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 1542 states and 2406 transitions. [2019-11-20 01:59:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2406 transitions. [2019-11-20 01:59:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-11-20 01:59:11,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:11,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-11-20 01:59:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 1552 states and 2422 transitions. [2019-11-20 01:59:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 2422 transitions. [2019-11-20 01:59:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2019-11-20 01:59:11,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1239 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2019-11-20 01:59:11,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 1554 states and 2424 transitions. [2019-11-20 01:59:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 2424 transitions. [2019-11-20 01:59:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-11-20 01:59:11,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1207 trivial. 0 not checked. [2019-11-20 01:59:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 1556 states and 2433 transitions. [2019-11-20 01:59:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2433 transitions. [2019-11-20 01:59:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-11-20 01:59:12,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2019-11-20 01:59:12,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2694 states to 1557 states and 2434 transitions. [2019-11-20 01:59:13,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2434 transitions. [2019-11-20 01:59:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2019-11-20 01:59:13,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:13,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1207 trivial. 0 not checked. [2019-11-20 01:59:13,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 1559 states and 2443 transitions. [2019-11-20 01:59:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2443 transitions. [2019-11-20 01:59:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2019-11-20 01:59:13,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2019-11-20 01:59:14,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:14,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 1560 states and 2444 transitions. [2019-11-20 01:59:14,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2444 transitions. [2019-11-20 01:59:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2019-11-20 01:59:14,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:14,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1211 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1207 trivial. 0 not checked. [2019-11-20 01:59:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 1562 states and 2453 transitions. [2019-11-20 01:59:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2453 transitions. [2019-11-20 01:59:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-11-20 01:59:14,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2019-11-20 01:59:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 1563 states and 2454 transitions. [2019-11-20 01:59:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2454 transitions. [2019-11-20 01:59:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-11-20 01:59:15,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2019-11-20 01:59:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 1565 states and 2456 transitions. [2019-11-20 01:59:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 2456 transitions. [2019-11-20 01:59:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2019-11-20 01:59:15,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2019-11-20 01:59:15,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1567 states and 2458 transitions. [2019-11-20 01:59:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2458 transitions. [2019-11-20 01:59:15,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-11-20 01:59:15,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2019-11-20 01:59:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:16,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 1569 states and 2460 transitions. [2019-11-20 01:59:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2460 transitions. [2019-11-20 01:59:16,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2019-11-20 01:59:16,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2019-11-20 01:59:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:16,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 1573 states and 2467 transitions. [2019-11-20 01:59:16,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2467 transitions. [2019-11-20 01:59:16,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2019-11-20 01:59:16,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2019-11-20 01:59:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:16,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 1577 states and 2474 transitions. [2019-11-20 01:59:16,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2474 transitions. [2019-11-20 01:59:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2019-11-20 01:59:16,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2019-11-20 01:59:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 1581 states and 2481 transitions. [2019-11-20 01:59:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2481 transitions. [2019-11-20 01:59:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-11-20 01:59:17,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2019-11-20 01:59:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:17,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 1590 states and 2495 transitions. [2019-11-20 01:59:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2495 transitions. [2019-11-20 01:59:17,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2019-11-20 01:59:17,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:17,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2019-11-20 01:59:17,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 1599 states and 2509 transitions. [2019-11-20 01:59:17,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2509 transitions. [2019-11-20 01:59:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2019-11-20 01:59:17,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:18,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1231 trivial. 0 not checked. [2019-11-20 01:59:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 1608 states and 2523 transitions. [2019-11-20 01:59:18,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 2523 transitions. [2019-11-20 01:59:18,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2019-11-20 01:59:18,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-11-20 01:59:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 1610 states and 2526 transitions. [2019-11-20 01:59:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2526 transitions. [2019-11-20 01:59:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2019-11-20 01:59:18,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-11-20 01:59:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:18,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 1612 states and 2529 transitions. [2019-11-20 01:59:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2529 transitions. [2019-11-20 01:59:18,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2019-11-20 01:59:18,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1331 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2019-11-20 01:59:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 1622 states and 2549 transitions. [2019-11-20 01:59:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2549 transitions. [2019-11-20 01:59:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2019-11-20 01:59:19,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:19,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2019-11-20 01:59:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:19,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 1624 states and 2552 transitions. [2019-11-20 01:59:19,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2552 transitions. [2019-11-20 01:59:19,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498 [2019-11-20 01:59:19,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1331 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2019-11-20 01:59:19,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 1634 states and 2572 transitions. [2019-11-20 01:59:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2572 transitions. [2019-11-20 01:59:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2019-11-20 01:59:19,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2019-11-20 01:59:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 1636 states and 2575 transitions. [2019-11-20 01:59:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2575 transitions. [2019-11-20 01:59:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2019-11-20 01:59:20,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2019-11-20 01:59:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 1638 states and 2578 transitions. [2019-11-20 01:59:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2578 transitions. [2019-11-20 01:59:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2019-11-20 01:59:20,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:21,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1331 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1321 trivial. 0 not checked. [2019-11-20 01:59:21,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:21,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 1648 states and 2598 transitions. [2019-11-20 01:59:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2598 transitions. [2019-11-20 01:59:21,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2019-11-20 01:59:21,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2019-11-20 01:59:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 1650 states and 2601 transitions. [2019-11-20 01:59:21,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 2601 transitions. [2019-11-20 01:59:21,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2019-11-20 01:59:21,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1383 trivial. 0 not checked. [2019-11-20 01:59:22,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1654 states and 2610 transitions. [2019-11-20 01:59:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2610 transitions. [2019-11-20 01:59:22,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2019-11-20 01:59:22,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:22,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1383 trivial. 0 not checked. [2019-11-20 01:59:23,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 1658 states and 2619 transitions. [2019-11-20 01:59:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2619 transitions. [2019-11-20 01:59:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2019-11-20 01:59:23,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:23,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1383 trivial. 0 not checked. [2019-11-20 01:59:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 1662 states and 2628 transitions. [2019-11-20 01:59:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 2628 transitions. [2019-11-20 01:59:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2019-11-20 01:59:24,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:24,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2019-11-20 01:59:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:25,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 1667 states and 2640 transitions. [2019-11-20 01:59:25,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2640 transitions. [2019-11-20 01:59:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-11-20 01:59:25,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2019-11-20 01:59:26,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 1672 states and 2652 transitions. [2019-11-20 01:59:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2652 transitions. [2019-11-20 01:59:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2019-11-20 01:59:26,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1429 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2019-11-20 01:59:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:27,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 1677 states and 2664 transitions. [2019-11-20 01:59:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2664 transitions. [2019-11-20 01:59:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2019-11-20 01:59:27,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:28,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 1532 trivial. 0 not checked. [2019-11-20 01:59:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 1720 states and 2766 transitions. [2019-11-20 01:59:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2766 transitions. [2019-11-20 01:59:34,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2019-11-20 01:59:34,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:34,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 1532 trivial. 0 not checked. [2019-11-20 01:59:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 1736 states and 2799 transitions. [2019-11-20 01:59:36,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2799 transitions. [2019-11-20 01:59:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2019-11-20 01:59:36,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1484 trivial. 0 not checked. [2019-11-20 01:59:37,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 1741 states and 2811 transitions. [2019-11-20 01:59:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 2811 transitions. [2019-11-20 01:59:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2019-11-20 01:59:37,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1549 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 1532 trivial. 0 not checked. [2019-11-20 01:59:39,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 1757 states and 2844 transitions. [2019-11-20 01:59:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2844 transitions. [2019-11-20 01:59:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2019-11-20 01:59:39,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1484 trivial. 0 not checked. [2019-11-20 01:59:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:40,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 1762 states and 2856 transitions. [2019-11-20 01:59:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2856 transitions. [2019-11-20 01:59:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2019-11-20 01:59:40,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1494 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1484 trivial. 0 not checked. [2019-11-20 01:59:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 1767 states and 2868 transitions. [2019-11-20 01:59:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2868 transitions. [2019-11-20 01:59:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2019-11-20 01:59:42,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2019-11-20 01:59:42,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:42,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 1769 states and 2871 transitions. [2019-11-20 01:59:42,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2871 transitions. [2019-11-20 01:59:42,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2019-11-20 01:59:42,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2019-11-20 01:59:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:43,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 1770 states and 2872 transitions. [2019-11-20 01:59:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2872 transitions. [2019-11-20 01:59:43,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2019-11-20 01:59:43,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2019-11-20 01:59:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 1776 states and 2881 transitions. [2019-11-20 01:59:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2881 transitions. [2019-11-20 01:59:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2019-11-20 01:59:43,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2019-11-20 01:59:44,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 1777 states and 2882 transitions. [2019-11-20 01:59:44,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2882 transitions. [2019-11-20 01:59:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2019-11-20 01:59:44,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:44,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2019-11-20 01:59:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 1783 states and 2891 transitions. [2019-11-20 01:59:44,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2891 transitions. [2019-11-20 01:59:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2019-11-20 01:59:44,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1604 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2019-11-20 01:59:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:44,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 1785 states and 2892 transitions. [2019-11-20 01:59:44,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2892 transitions. [2019-11-20 01:59:44,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2019-11-20 01:59:44,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1561 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1539 trivial. 0 not checked. [2019-11-20 01:59:45,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:45,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 1786 states and 2893 transitions. [2019-11-20 01:59:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2893 transitions. [2019-11-20 01:59:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2019-11-20 01:59:45,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1497 trivial. 0 not checked. [2019-11-20 01:59:45,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 1792 states and 2902 transitions. [2019-11-20 01:59:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2902 transitions. [2019-11-20 01:59:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2019-11-20 01:59:45,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1565 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1543 trivial. 0 not checked. [2019-11-20 01:59:46,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 1796 states and 2909 transitions. [2019-11-20 01:59:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2909 transitions. [2019-11-20 01:59:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2019-11-20 01:59:46,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1493 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2019-11-20 01:59:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:46,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 1801 states and 2918 transitions. [2019-11-20 01:59:46,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2918 transitions. [2019-11-20 01:59:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2019-11-20 01:59:46,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1493 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2019-11-20 01:59:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:47,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 1806 states and 2927 transitions. [2019-11-20 01:59:47,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2927 transitions. [2019-11-20 01:59:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2019-11-20 01:59:47,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:47,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2019-11-20 01:59:48,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 1806 states and 2923 transitions. [2019-11-20 01:59:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2923 transitions. [2019-11-20 01:59:48,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2019-11-20 01:59:48,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:48,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1493 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2019-11-20 01:59:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:48,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3210 states to 1811 states and 2932 transitions. [2019-11-20 01:59:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2932 transitions. [2019-11-20 01:59:48,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-11-20 01:59:48,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 1637 trivial. 0 not checked. [2019-11-20 01:59:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:50,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1820 states and 2952 transitions. [2019-11-20 01:59:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2952 transitions. [2019-11-20 01:59:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2019-11-20 01:59:50,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2019-11-20 01:59:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 1826 states and 2961 transitions. [2019-11-20 01:59:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2961 transitions. [2019-11-20 01:59:50,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2019-11-20 01:59:50,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1480 trivial. 0 not checked. [2019-11-20 01:59:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 1847 states and 2992 transitions. [2019-11-20 01:59:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2992 transitions. [2019-11-20 01:59:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2019-11-20 01:59:52,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:52,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 1637 trivial. 0 not checked. [2019-11-20 01:59:53,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 1856 states and 3012 transitions. [2019-11-20 01:59:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 3012 transitions. [2019-11-20 01:59:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 530 [2019-11-20 01:59:53,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:54,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2019-11-20 01:59:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 1862 states and 3021 transitions. [2019-11-20 01:59:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 3021 transitions. [2019-11-20 01:59:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-11-20 01:59:54,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1480 trivial. 0 not checked. [2019-11-20 01:59:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 1883 states and 3052 transitions. [2019-11-20 01:59:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3052 transitions. [2019-11-20 01:59:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2019-11-20 01:59:55,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 1637 trivial. 0 not checked. [2019-11-20 01:59:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 1892 states and 3072 transitions. [2019-11-20 01:59:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3072 transitions. [2019-11-20 01:59:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-11-20 01:59:57,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:57,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2019-11-20 01:59:58,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:58,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 1898 states and 3081 transitions. [2019-11-20 01:59:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3081 transitions. [2019-11-20 01:59:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2019-11-20 01:59:58,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:58,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1480 trivial. 0 not checked. [2019-11-20 01:59:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 1919 states and 3112 transitions. [2019-11-20 01:59:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 3112 transitions. [2019-11-20 01:59:59,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2019-11-20 01:59:59,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2019-11-20 01:59:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:59,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 1927 states and 3127 transitions. [2019-11-20 01:59:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 3127 transitions. [2019-11-20 01:59:59,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2019-11-20 01:59:59,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-11-20 02:00:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1932 states and 3136 transitions. [2019-11-20 02:00:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 3136 transitions. [2019-11-20 02:00:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2019-11-20 02:00:00,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:00,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2019-11-20 02:00:00,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3432 states to 1940 states and 3151 transitions. [2019-11-20 02:00:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 3151 transitions. [2019-11-20 02:00:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2019-11-20 02:00:00,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-11-20 02:00:00,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 1945 states and 3160 transitions. [2019-11-20 02:00:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 3160 transitions. [2019-11-20 02:00:00,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2019-11-20 02:00:00,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1389 trivial. 0 not checked. [2019-11-20 02:00:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 1963 states and 3192 transitions. [2019-11-20 02:00:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 3192 transitions. [2019-11-20 02:00:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2019-11-20 02:00:01,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2019-11-20 02:00:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 1964 states and 3193 transitions. [2019-11-20 02:00:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 3193 transitions. [2019-11-20 02:00:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2019-11-20 02:00:01,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1389 trivial. 0 not checked. [2019-11-20 02:00:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 1982 states and 3225 transitions. [2019-11-20 02:00:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3225 transitions. [2019-11-20 02:00:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2019-11-20 02:00:02,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:02,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2019-11-20 02:00:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 1983 states and 3226 transitions. [2019-11-20 02:00:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 3226 transitions. [2019-11-20 02:00:02,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2019-11-20 02:00:02,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:02,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2019-11-20 02:00:03,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 1984 states and 3226 transitions. [2019-11-20 02:00:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 3226 transitions. [2019-11-20 02:00:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2019-11-20 02:00:03,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2019-11-20 02:00:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:03,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 1992 states and 3241 transitions. [2019-11-20 02:00:03,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 3241 transitions. [2019-11-20 02:00:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-11-20 02:00:03,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-11-20 02:00:04,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 1997 states and 3250 transitions. [2019-11-20 02:00:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 3250 transitions. [2019-11-20 02:00:04,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2019-11-20 02:00:04,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:04,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2019-11-20 02:00:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 2006 states and 3264 transitions. [2019-11-20 02:00:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 3264 transitions. [2019-11-20 02:00:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2019-11-20 02:00:04,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2019-11-20 02:00:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 2007 states and 3264 transitions. [2019-11-20 02:00:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 3264 transitions. [2019-11-20 02:00:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-11-20 02:00:05,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1399 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1389 trivial. 0 not checked. [2019-11-20 02:00:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:06,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 2025 states and 3296 transitions. [2019-11-20 02:00:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3296 transitions. [2019-11-20 02:00:06,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2019-11-20 02:00:06,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:06,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1511 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1501 trivial. 0 not checked. [2019-11-20 02:00:06,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 2026 states and 3297 transitions. [2019-11-20 02:00:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 3297 transitions. [2019-11-20 02:00:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2019-11-20 02:00:06,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-11-20 02:00:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:08,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 2043 states and 3334 transitions. [2019-11-20 02:00:08,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 3334 transitions. [2019-11-20 02:00:08,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2019-11-20 02:00:08,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-11-20 02:00:10,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 2045 states and 3336 transitions. [2019-11-20 02:00:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 3336 transitions. [2019-11-20 02:00:10,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2019-11-20 02:00:10,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2019-11-20 02:00:11,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 2047 states and 3338 transitions. [2019-11-20 02:00:11,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 3338 transitions. [2019-11-20 02:00:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 551 [2019-11-20 02:00:11,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1489 trivial. 0 not checked. [2019-11-20 02:00:11,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 2048 states and 3338 transitions. [2019-11-20 02:00:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 3338 transitions. [2019-11-20 02:00:11,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2019-11-20 02:00:11,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:12,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2019-11-20 02:00:12,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 2057 states and 3352 transitions. [2019-11-20 02:00:12,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 3352 transitions. [2019-11-20 02:00:12,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 577 [2019-11-20 02:00:12,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2019-11-20 02:00:12,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 2066 states and 3366 transitions. [2019-11-20 02:00:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 3366 transitions. [2019-11-20 02:00:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2019-11-20 02:00:12,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1660 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2019-11-20 02:00:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:13,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 2075 states and 3380 transitions. [2019-11-20 02:00:13,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 3380 transitions. [2019-11-20 02:00:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2019-11-20 02:00:13,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2019-11-20 02:00:14,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 1667 states and 2682 transitions. [2019-11-20 02:00:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2682 transitions. [2019-11-20 02:00:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2019-11-20 02:00:14,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2019-11-20 02:00:14,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 1258 states and 1983 transitions. [2019-11-20 02:00:14,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1983 transitions. [2019-11-20 02:00:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2019-11-20 02:00:14,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:15,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2019-11-20 02:00:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 846 states and 1282 transitions. [2019-11-20 02:00:15,650 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1282 transitions. [2019-11-20 02:00:15,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:00:15,653 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 320 iterations. [2019-11-20 02:00:15,670 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:00:18,089 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,093 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,094 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,095 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,095 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,095 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 02:00:18,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,104 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,106 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,106 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,106 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,106 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,106 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,107 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,108 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,109 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,109 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,109 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,109 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,109 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,110 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,110 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,110 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,110 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,110 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,111 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,112 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,112 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,112 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:00:18,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:00:18 ImpRootNode [2019-11-20 02:00:18,112 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:00:18,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:00:18,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:00:18,113 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:00:18,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:04" (3/4) ... [2019-11-20 02:00:18,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:00:18,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure znet_transceiver_power [2019-11-20 02:00:18,124 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __release_region [2019-11-20 02:00:18,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_dma_count [2019-11-20 02:00:18,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2019-11-20 02:00:18,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure update_stop_hit [2019-11-20 02:00:18,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_irq [2019-11-20 02:00:18,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure clear_dma_ff [2019-11-20 02:00:18,125 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_dma_addr [2019-11-20 02:00:18,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_start_queue [2019-11-20 02:00:18,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure disable_dma [2019-11-20 02:00:18,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2019-11-20 02:00:18,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-20 02:00:18,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isa_virt_to_bus [2019-11-20 02:00:18,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2019-11-20 02:00:18,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_dma [2019-11-20 02:00:18,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2019-11-20 02:00:18,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-20 02:00:18,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inb [2019-11-20 02:00:18,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_tx_start_queue [2019-11-20 02:00:18,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2019-11-20 02:00:18,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_netdev [2019-11-20 02:00:18,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2019-11-20 02:00:18,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure phys_to_virt [2019-11-20 02:00:18,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2019-11-20 02:00:18,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2019-11-20 02:00:18,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure enable_dma [2019-11-20 02:00:18,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure set_dma_mode [2019-11-20 02:00:18,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure show_dma [2019-11-20 02:00:18,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2019-11-20 02:00:18,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_dma_lock [2019-11-20 02:00:18,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2019-11-20 02:00:18,129 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_wake_queue [2019-11-20 02:00:18,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2019-11-20 02:00:18,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __request_region [2019-11-20 02:00:18,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2019-11-20 02:00:18,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2019-11-20 02:00:18,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2019-11-20 02:00:18,130 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure inw [2019-11-20 02:00:18,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure znet_set_multicast_list [2019-11-20 02:00:18,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure claim_dma_lock [2019-11-20 02:00:18,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure free_dma [2019-11-20 02:00:18,131 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hardware_init [2019-11-20 02:00:18,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2019-11-20 02:00:18,173 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 236 nodes and edges [2019-11-20 02:00:18,178 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2019-11-20 02:00:18,183 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-20 02:00:18,189 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 02:00:18,194 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:00:18,442 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_96742e48-0084-4627-bdaf-0cfce17b789d/bin/ukojak/witness.graphml [2019-11-20 02:00:18,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:00:18,445 INFO L168 Benchmark]: Toolchain (without parser) took 244789.89 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 940.7 MB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 972.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,445 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:00:18,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1816.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 940.7 MB in the beginning and 987.7 MB in the end (delta: -47.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,446 INFO L168 Benchmark]: Boogie Procedure Inliner took 207.63 ms. Allocated memory is still 1.1 GB. Free memory was 987.7 MB in the beginning and 973.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,447 INFO L168 Benchmark]: Boogie Preprocessor took 130.65 ms. Allocated memory is still 1.1 GB. Free memory was 973.9 MB in the beginning and 960.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,447 INFO L168 Benchmark]: RCFGBuilder took 108286.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 960.0 MB in the beginning and 993.4 MB in the end (delta: -33.4 MB). Peak memory consumption was 328.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,448 INFO L168 Benchmark]: CodeCheck took 134014.97 ms. Allocated memory was 1.3 GB in the beginning and 5.0 GB in the end (delta: 3.7 GB). Free memory was 993.4 MB in the beginning and 4.1 GB in the end (delta: -3.1 GB). Peak memory consumption was 621.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,448 INFO L168 Benchmark]: Witness Printer took 329.78 ms. Allocated memory is still 5.0 GB. Free memory was 4.1 GB in the beginning and 4.0 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:00:18,450 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 44 procedures, 521 locations, 1 error locations. Result: SAFE, OverallTime: 131.5s, OverallIterations: 320, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 391652736 SDtfs, -2048254160 SDslu, -843502880 SDs, 0 SdLazy, -871622000 SolverSat, 1465379136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1150.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 757033 GetRequests, 755687 SyntacticMatches, 884 SemanticMatches, 462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93089 ImplicationChecksByTransitivity, 57.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 3.2s SsaConstructionTime, 10.3s SatisfiabilityAnalysisTime, 28.6s InterpolantComputationTime, 73413 NumberOfCodeBlocks, 73413 NumberOfCodeBlocksAsserted, 319 NumberOfCheckSat, 73094 ConstructedInterpolants, 0 QuantifiedInterpolants, 38462899 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 319 InterpolantComputations, 305 PerfectInterpolantSequences, 145363/145431 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 6161]: 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: 5571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5042]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6524]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6492]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_lock && ldv_s_znet_netdev_ops_net_device_ops == 0) && 1 == ldv_mutex_mutex) && ldv_mutex_cred_guard_mutex == 1 - InvariantResult [Line: 5450]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5991]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5077]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4822]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6020]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5797]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5052]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6020]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4719]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5014]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4655]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5687]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5051]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5326]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4775]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1816.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 940.7 MB in the beginning and 987.7 MB in the end (delta: -47.0 MB). Peak memory consumption was 85.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 207.63 ms. Allocated memory is still 1.1 GB. Free memory was 987.7 MB in the beginning and 973.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 130.65 ms. Allocated memory is still 1.1 GB. Free memory was 973.9 MB in the beginning and 960.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 108286.44 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 960.0 MB in the beginning and 993.4 MB in the end (delta: -33.4 MB). Peak memory consumption was 328.0 MB. Max. memory is 11.5 GB. * CodeCheck took 134014.97 ms. Allocated memory was 1.3 GB in the beginning and 5.0 GB in the end (delta: 3.7 GB). Free memory was 993.4 MB in the beginning and 4.1 GB in the end (delta: -3.1 GB). Peak memory consumption was 621.3 MB. Max. memory is 11.5 GB. * Witness Printer took 329.78 ms. Allocated memory is still 5.0 GB. Free memory was 4.1 GB in the beginning and 4.0 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...