./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--arcnet--arcnet.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_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--arcnet--arcnet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/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 61a072e8bc61b75dce7e4d3e236a8d6725e2a6e4 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:49:17,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:49:17,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:49:17,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:49:17,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:49:17,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:49:17,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:49:17,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:49:17,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:49:17,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:49:17,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:49:17,067 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:49:17,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:49:17,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:49:17,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:49:17,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:49:17,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:49:17,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:49:17,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:49:17,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:49:17,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:49:17,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:49:17,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:49:17,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:49:17,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:49:17,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:49:17,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:49:17,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:49:17,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:49:17,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:49:17,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:49:17,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:49:17,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:49:17,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:49:17,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:49:17,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:49:17,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:49:17,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:49:17,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:49:17,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:49:17,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:49:17,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-19 22:49:17,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:49:17,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:49:17,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:49:17,136 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:49:17,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:49:17,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:49:17,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:49:17,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:49:17,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:49:17,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:49:17,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:49:17,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:49:17,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:49:17,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:49:17,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:49:17,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:49:17,139 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:49:17,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:49:17,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:49:17,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:49:17,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:49:17,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:49:17,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:49:17,140 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:49:17,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:49:17,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:49:17,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:49:17,141 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_a59071ef-2d52-4da9-b863-540517574a20/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 -> 61a072e8bc61b75dce7e4d3e236a8d6725e2a6e4 [2019-11-19 22:49:17,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:49:17,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:49:17,339 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:49:17,341 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:49:17,341 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:49:17,342 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--arcnet--arcnet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-11-19 22:49:17,408 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/data/074ce67f8/90db8557de0b42ccbf7612b64afbbe6f/FLAGb143174ad [2019-11-19 22:49:18,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:49:18,156 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-32_7a-drivers--net--arcnet--arcnet.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2019-11-19 22:49:18,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/data/074ce67f8/90db8557de0b42ccbf7612b64afbbe6f/FLAGb143174ad [2019-11-19 22:49:18,226 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/data/074ce67f8/90db8557de0b42ccbf7612b64afbbe6f [2019-11-19 22:49:18,229 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:49:18,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:49:18,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:49:18,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:49:18,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:49:18,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:18" (1/1) ... [2019-11-19 22:49:18,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11994f26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:18, skipping insertion in model container [2019-11-19 22:49:18,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:49:18" (1/1) ... [2019-11-19 22:49:18,259 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:49:18,369 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:49:19,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:49:19,512 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:49:19,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:49:19,880 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:49:19,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19 WrapperNode [2019-11-19 22:49:19,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:49:19,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:49:19,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:49:19,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:49:19,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:19,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:49:20,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:49:20,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:49:20,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:49:20,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... [2019-11-19 22:49:20,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:49:20,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:49:20,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:49:20,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:49:20,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:49:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/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 [2019-11-19 22:49:20,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-19 22:49:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-11-19 22:49:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_arcbuf [2019-11-19 22:49:20,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arcbuf [2019-11-19 22:49:20,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:49:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-19 22:49:20,359 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-19 22:49:20,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-19 22:49:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-19 22:49:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure choose_mtu [2019-11-19 22:49:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_mtu [2019-11-19 22:49:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_close [2019-11-19 22:49:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_close [2019-11-19 22:49:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-19 22:49:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-19 22:49:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_open [2019-11-19 22:49:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_open [2019-11-19 22:49:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure null_rx [2019-11-19 22:49:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure null_rx [2019-11-19 22:49:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:49:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rebuild_header [2019-11-19 22:49:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rebuild_header [2019-11-19 22:49:20,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-19 22:49:20,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-19 22:49:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-19 22:49:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-19 22:49:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-19 22:49:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-19 22:49:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-19 22:49:20,364 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-19 22:49:20,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~uint8_t~0~TO~int [2019-11-19 22:49:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~uint8_t~0~TO~int [2019-11-19 22:49:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure release_arcbuf [2019-11-19 22:49:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure release_arcbuf [2019-11-19 22:49:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-19 22:49:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-19 22:49:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-19 22:49:20,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-19 22:49:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-19 22:49:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-19 22:49:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-19 22:49:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-19 22:49:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-19 22:49:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-19 22:49:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 22:49:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:49:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 22:49:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-19 22:49:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure null_prepare_tx [2019-11-19 22:49:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure null_prepare_tx [2019-11-19 22:49:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-11-19 22:49:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-11-19 22:49:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-19 22:49:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-19 22:49:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 22:49:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-19 22:49:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-19 22:49:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_timeout [2019-11-19 22:49:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_timeout [2019-11-19 22:49:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure null_build_header [2019-11-19 22:49:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure null_build_header [2019-11-19 22:49:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:49:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 22:49:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-19 22:49:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-19 22:49:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-19 22:49:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-19 22:49:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-19 22:49:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-19 22:49:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-19 22:49:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-19 22:49:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:49:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-19 22:49:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-19 22:49:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-11-19 22:49:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-11-19 22:49:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:49:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:49:36,396 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:49:36,397 INFO L285 CfgBuilder]: Removed 75 assume(true) statements. [2019-11-19 22:49:36,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:36 BoogieIcfgContainer [2019-11-19 22:49:36,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:49:36,398 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:49:36,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:49:36,408 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:49:36,408 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:36" (1/1) ... [2019-11-19 22:49:36,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:49:36,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:36,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 408 states and 572 transitions. [2019-11-19 22:49:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 572 transitions. [2019-11-19 22:49:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:49:36,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:49:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 408 states and 570 transitions. [2019-11-19 22:49:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 570 transitions. [2019-11-19 22:49:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 22:49:37,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:49:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 409 states and 571 transitions. [2019-11-19 22:49:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 571 transitions. [2019-11-19 22:49:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:49:37,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:37,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:49:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 411 states and 573 transitions. [2019-11-19 22:49:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 573 transitions. [2019-11-19 22:49:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-19 22:49:38,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:49:39,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:39,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 414 states and 576 transitions. [2019-11-19 22:49:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 576 transitions. [2019-11-19 22:49:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 22:49:39,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:49:39,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:39,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 417 states and 595 transitions. [2019-11-19 22:49:39,654 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 595 transitions. [2019-11-19 22:49:39,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:49:39,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:49:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 420 states and 614 transitions. [2019-11-19 22:49:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 614 transitions. [2019-11-19 22:49:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 22:49:39,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:49:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 423 states and 633 transitions. [2019-11-19 22:49:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 633 transitions. [2019-11-19 22:49:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:49:39,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:40,072 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:40,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 426 states and 638 transitions. [2019-11-19 22:49:40,098 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 638 transitions. [2019-11-19 22:49:40,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:49:40,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 429 states and 643 transitions. [2019-11-19 22:49:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 643 transitions. [2019-11-19 22:49:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 22:49:40,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:40,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 432 states and 648 transitions. [2019-11-19 22:49:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 648 transitions. [2019-11-19 22:49:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-19 22:49:40,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 22:49:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:41,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 441 states and 676 transitions. [2019-11-19 22:49:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 676 transitions. [2019-11-19 22:49:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 22:49:41,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 22:49:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:41,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 448 states and 690 transitions. [2019-11-19 22:49:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 690 transitions. [2019-11-19 22:49:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-19 22:49:41,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 22:49:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 455 states and 704 transitions. [2019-11-19 22:49:41,788 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 704 transitions. [2019-11-19 22:49:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 22:49:41,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:41,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 22:49:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:41,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 462 states and 718 transitions. [2019-11-19 22:49:41,988 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 718 transitions. [2019-11-19 22:49:41,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-19 22:49:41,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 22:49:42,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 465 states and 723 transitions. [2019-11-19 22:49:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 723 transitions. [2019-11-19 22:49:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-19 22:49:42,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,161 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 468 states and 728 transitions. [2019-11-19 22:49:42,180 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 728 transitions. [2019-11-19 22:49:42,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 22:49:42,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 22:49:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 471 states and 733 transitions. [2019-11-19 22:49:42,282 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 733 transitions. [2019-11-19 22:49:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 22:49:42,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 474 states and 738 transitions. [2019-11-19 22:49:42,389 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 738 transitions. [2019-11-19 22:49:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-19 22:49:42,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-19 22:49:42,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 477 states and 743 transitions. [2019-11-19 22:49:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 743 transitions. [2019-11-19 22:49:42,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 22:49:42,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:42,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 480 states and 748 transitions. [2019-11-19 22:49:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 748 transitions. [2019-11-19 22:49:42,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-19 22:49:42,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 22:49:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 482 states and 751 transitions. [2019-11-19 22:49:42,771 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 751 transitions. [2019-11-19 22:49:42,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 22:49:42,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,841 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 485 states and 756 transitions. [2019-11-19 22:49:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 756 transitions. [2019-11-19 22:49:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:49:42,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 488 states and 761 transitions. [2019-11-19 22:49:42,957 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 761 transitions. [2019-11-19 22:49:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 22:49:42,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 491 states and 766 transitions. [2019-11-19 22:49:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 766 transitions. [2019-11-19 22:49:43,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:49:43,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 494 states and 771 transitions. [2019-11-19 22:49:43,179 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 771 transitions. [2019-11-19 22:49:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:49:43,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 497 states and 776 transitions. [2019-11-19 22:49:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 776 transitions. [2019-11-19 22:49:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:49:43,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 506 states and 791 transitions. [2019-11-19 22:49:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 791 transitions. [2019-11-19 22:49:43,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:49:43,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 509 states and 796 transitions. [2019-11-19 22:49:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 796 transitions. [2019-11-19 22:49:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 22:49:43,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 511 states and 798 transitions. [2019-11-19 22:49:43,632 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 798 transitions. [2019-11-19 22:49:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 22:49:43,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 520 states and 813 transitions. [2019-11-19 22:49:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 813 transitions. [2019-11-19 22:49:43,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 22:49:43,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:49:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 526 states and 821 transitions. [2019-11-19 22:49:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 821 transitions. [2019-11-19 22:49:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-19 22:49:43,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:43,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 535 states and 836 transitions. [2019-11-19 22:49:43,977 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 836 transitions. [2019-11-19 22:49:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:49:43,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:49:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 541 states and 844 transitions. [2019-11-19 22:49:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 844 transitions. [2019-11-19 22:49:44,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 22:49:44,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:44,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 549 states and 856 transitions. [2019-11-19 22:49:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 856 transitions. [2019-11-19 22:49:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-19 22:49:44,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 552 states and 861 transitions. [2019-11-19 22:49:44,389 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 861 transitions. [2019-11-19 22:49:44,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 22:49:44,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 555 states and 865 transitions. [2019-11-19 22:49:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 865 transitions. [2019-11-19 22:49:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 22:49:44,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 22:49:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 561 states and 873 transitions. [2019-11-19 22:49:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 873 transitions. [2019-11-19 22:49:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:49:44,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:44,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 569 states and 885 transitions. [2019-11-19 22:49:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 885 transitions. [2019-11-19 22:49:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 22:49:44,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 22:49:44,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 577 states and 897 transitions. [2019-11-19 22:49:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 897 transitions. [2019-11-19 22:49:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:49:44,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:44,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 580 states and 900 transitions. [2019-11-19 22:49:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 900 transitions. [2019-11-19 22:49:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:49:44,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,022 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 583 states and 903 transitions. [2019-11-19 22:49:45,049 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 903 transitions. [2019-11-19 22:49:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:49:45,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 22:49:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 586 states and 907 transitions. [2019-11-19 22:49:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 907 transitions. [2019-11-19 22:49:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 22:49:45,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 589 states and 910 transitions. [2019-11-19 22:49:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 910 transitions. [2019-11-19 22:49:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 22:49:45,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 22:49:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 592 states and 914 transitions. [2019-11-19 22:49:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 914 transitions. [2019-11-19 22:49:45,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:49:45,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 601 states and 928 transitions. [2019-11-19 22:49:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 928 transitions. [2019-11-19 22:49:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 22:49:45,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:49:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 609 states and 940 transitions. [2019-11-19 22:49:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 940 transitions. [2019-11-19 22:49:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 22:49:45,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 22:49:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 611 states and 953 transitions. [2019-11-19 22:49:45,759 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 953 transitions. [2019-11-19 22:49:45,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 22:49:45,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 22:49:45,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 613 states and 966 transitions. [2019-11-19 22:49:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 966 transitions. [2019-11-19 22:49:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 22:49:45,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:49:46,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 618 states and 971 transitions. [2019-11-19 22:49:46,109 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 971 transitions. [2019-11-19 22:49:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 22:49:46,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-19 22:49:46,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 620 states and 984 transitions. [2019-11-19 22:49:46,395 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 984 transitions. [2019-11-19 22:49:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 22:49:46,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:49:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 625 states and 989 transitions. [2019-11-19 22:49:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 989 transitions. [2019-11-19 22:49:46,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 22:49:46,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:49:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 630 states and 994 transitions. [2019-11-19 22:49:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 994 transitions. [2019-11-19 22:49:46,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 22:49:46,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 22:49:46,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 633 states and 998 transitions. [2019-11-19 22:49:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 998 transitions. [2019-11-19 22:49:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 22:49:46,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,852 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 22:49:46,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 636 states and 1002 transitions. [2019-11-19 22:49:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1002 transitions. [2019-11-19 22:49:46,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 22:49:46,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 22:49:46,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 639 states and 1006 transitions. [2019-11-19 22:49:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1006 transitions. [2019-11-19 22:49:46,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 22:49:46,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 656 states and 1033 transitions. [2019-11-19 22:49:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1033 transitions. [2019-11-19 22:49:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 22:49:47,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:49:47,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 658 states and 1035 transitions. [2019-11-19 22:49:47,199 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1035 transitions. [2019-11-19 22:49:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 22:49:47,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 675 states and 1062 transitions. [2019-11-19 22:49:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1062 transitions. [2019-11-19 22:49:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 22:49:47,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:49:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 677 states and 1064 transitions. [2019-11-19 22:49:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1064 transitions. [2019-11-19 22:49:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-19 22:49:47,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,530 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 680 states and 1068 transitions. [2019-11-19 22:49:47,569 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1068 transitions. [2019-11-19 22:49:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:49:47,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 22:49:47,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 697 states and 1095 transitions. [2019-11-19 22:49:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1095 transitions. [2019-11-19 22:49:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 22:49:47,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,775 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:49:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 700 states and 1100 transitions. [2019-11-19 22:49:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1100 transitions. [2019-11-19 22:49:47,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 22:49:47,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 703 states and 1104 transitions. [2019-11-19 22:49:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1104 transitions. [2019-11-19 22:49:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 22:49:47,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:49:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 705 states and 1106 transitions. [2019-11-19 22:49:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1106 transitions. [2019-11-19 22:49:47,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 22:49:47,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 707 states and 1108 transitions. [2019-11-19 22:49:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1108 transitions. [2019-11-19 22:49:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-19 22:49:48,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 710 states and 1112 transitions. [2019-11-19 22:49:48,251 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1112 transitions. [2019-11-19 22:49:48,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 22:49:48,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:49:48,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 713 states and 1117 transitions. [2019-11-19 22:49:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1117 transitions. [2019-11-19 22:49:48,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 22:49:48,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 715 states and 1119 transitions. [2019-11-19 22:49:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1119 transitions. [2019-11-19 22:49:48,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 22:49:48,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:48,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 718 states and 1123 transitions. [2019-11-19 22:49:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1123 transitions. [2019-11-19 22:49:48,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 22:49:48,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 22:49:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 721 states and 1128 transitions. [2019-11-19 22:49:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1128 transitions. [2019-11-19 22:49:48,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 22:49:48,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,684 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:48,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 723 states and 1130 transitions. [2019-11-19 22:49:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1130 transitions. [2019-11-19 22:49:48,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:49:48,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 726 states and 1134 transitions. [2019-11-19 22:49:48,807 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1134 transitions. [2019-11-19 22:49:48,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 22:49:48,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 729 states and 1138 transitions. [2019-11-19 22:49:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1138 transitions. [2019-11-19 22:49:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 22:49:48,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:48,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 732 states and 1142 transitions. [2019-11-19 22:49:49,001 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1142 transitions. [2019-11-19 22:49:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:49:49,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:49,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 735 states and 1146 transitions. [2019-11-19 22:49:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1146 transitions. [2019-11-19 22:49:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 22:49:49,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:49,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 738 states and 1150 transitions. [2019-11-19 22:49:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1150 transitions. [2019-11-19 22:49:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 22:49:49,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 747 states and 1164 transitions. [2019-11-19 22:49:49,317 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1164 transitions. [2019-11-19 22:49:49,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-11-19 22:49:49,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 756 states and 1178 transitions. [2019-11-19 22:49:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1178 transitions. [2019-11-19 22:49:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-19 22:49:49,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 758 states and 1181 transitions. [2019-11-19 22:49:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1181 transitions. [2019-11-19 22:49:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 22:49:49,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-19 22:49:49,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 761 states and 1184 transitions. [2019-11-19 22:49:49,653 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1184 transitions. [2019-11-19 22:49:49,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 22:49:49,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 770 states and 1198 transitions. [2019-11-19 22:49:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1198 transitions. [2019-11-19 22:49:49,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 22:49:49,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:49,884 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 787 states and 1227 transitions. [2019-11-19 22:49:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1227 transitions. [2019-11-19 22:49:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 22:49:49,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 789 states and 1230 transitions. [2019-11-19 22:49:50,088 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1230 transitions. [2019-11-19 22:49:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 22:49:50,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-19 22:49:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 792 states and 1233 transitions. [2019-11-19 22:49:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1233 transitions. [2019-11-19 22:49:50,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 22:49:50,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,400 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 800 states and 1245 transitions. [2019-11-19 22:49:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1245 transitions. [2019-11-19 22:49:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 22:49:50,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:50,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 817 states and 1274 transitions. [2019-11-19 22:49:50,618 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1274 transitions. [2019-11-19 22:49:50,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 22:49:50,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 819 states and 1277 transitions. [2019-11-19 22:49:50,726 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1277 transitions. [2019-11-19 22:49:50,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-19 22:49:50,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,804 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 827 states and 1289 transitions. [2019-11-19 22:49:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1289 transitions. [2019-11-19 22:49:50,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:49:50,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-19 22:49:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 830 states and 1292 transitions. [2019-11-19 22:49:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1292 transitions. [2019-11-19 22:49:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 22:49:50,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 847 states and 1321 transitions. [2019-11-19 22:49:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1321 transitions. [2019-11-19 22:49:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:49:51,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:51,273 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:49:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:51,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 854 states and 1331 transitions. [2019-11-19 22:49:51,577 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1331 transitions. [2019-11-19 22:49:51,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 22:49:51,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 22:49:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 862 states and 1343 transitions. [2019-11-19 22:49:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1343 transitions. [2019-11-19 22:49:51,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-19 22:49:51,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:51,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 884 states and 1383 transitions. [2019-11-19 22:49:51,842 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1383 transitions. [2019-11-19 22:49:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 22:49:51,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:51,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 906 states and 1423 transitions. [2019-11-19 22:49:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1423 transitions. [2019-11-19 22:49:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 22:49:51,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:49:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:52,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 906 states and 1421 transitions. [2019-11-19 22:49:52,128 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1421 transitions. [2019-11-19 22:49:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:49:52,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 22:49:52,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 928 states and 1461 transitions. [2019-11-19 22:49:52,273 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1461 transitions. [2019-11-19 22:49:52,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 22:49:52,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:49:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 930 states and 1463 transitions. [2019-11-19 22:49:52,397 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1463 transitions. [2019-11-19 22:49:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-19 22:49:52,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:49:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 928 states and 1459 transitions. [2019-11-19 22:49:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1459 transitions. [2019-11-19 22:49:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-19 22:49:52,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:52,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 930 states and 1461 transitions. [2019-11-19 22:49:52,924 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1461 transitions. [2019-11-19 22:49:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-19 22:49:52,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 22:49:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 932 states and 1463 transitions. [2019-11-19 22:49:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1463 transitions. [2019-11-19 22:49:53,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-19 22:49:53,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 933 states and 1464 transitions. [2019-11-19 22:49:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1464 transitions. [2019-11-19 22:49:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-19 22:49:53,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:53,944 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-19 22:49:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 933 states and 1460 transitions. [2019-11-19 22:49:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1460 transitions. [2019-11-19 22:49:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-19 22:49:54,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 935 states and 1462 transitions. [2019-11-19 22:49:54,458 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1462 transitions. [2019-11-19 22:49:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-19 22:49:54,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 937 states and 1464 transitions. [2019-11-19 22:49:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1464 transitions. [2019-11-19 22:49:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-19 22:49:54,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:54,671 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 22:49:55,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:55,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 942 states and 1471 transitions. [2019-11-19 22:49:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1471 transitions. [2019-11-19 22:49:55,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-19 22:49:55,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:49:55,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 946 states and 1476 transitions. [2019-11-19 22:49:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1476 transitions. [2019-11-19 22:49:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-19 22:49:55,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 22:49:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 951 states and 1483 transitions. [2019-11-19 22:49:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1483 transitions. [2019-11-19 22:49:56,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-19 22:49:56,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:49:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 955 states and 1488 transitions. [2019-11-19 22:49:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1488 transitions. [2019-11-19 22:49:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-19 22:49:56,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 22:49:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 957 states and 1491 transitions. [2019-11-19 22:49:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1491 transitions. [2019-11-19 22:49:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-19 22:49:56,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 22:49:57,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 962 states and 1498 transitions. [2019-11-19 22:49:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1498 transitions. [2019-11-19 22:49:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-19 22:49:57,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:49:57,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 966 states and 1503 transitions. [2019-11-19 22:49:57,339 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1503 transitions. [2019-11-19 22:49:57,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-19 22:49:57,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 22:49:57,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 968 states and 1506 transitions. [2019-11-19 22:49:57,451 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1506 transitions. [2019-11-19 22:49:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-19 22:49:57,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-19 22:49:57,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 969 states and 1506 transitions. [2019-11-19 22:49:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1506 transitions. [2019-11-19 22:49:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-19 22:49:57,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,644 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 22:49:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 971 states and 1509 transitions. [2019-11-19 22:49:57,680 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1509 transitions. [2019-11-19 22:49:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-19 22:49:57,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-19 22:49:57,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 972 states and 1509 transitions. [2019-11-19 22:49:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1509 transitions. [2019-11-19 22:49:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-19 22:49:57,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 976 states and 1515 transitions. [2019-11-19 22:49:57,909 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1515 transitions. [2019-11-19 22:49:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 22:49:57,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-19 22:49:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 977 states and 1515 transitions. [2019-11-19 22:49:58,021 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1515 transitions. [2019-11-19 22:49:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-19 22:49:58,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:58,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:49:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 985 states and 1531 transitions. [2019-11-19 22:49:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1531 transitions. [2019-11-19 22:49:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-19 22:49:58,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 989 states and 1537 transitions. [2019-11-19 22:49:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1537 transitions. [2019-11-19 22:49:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 22:49:58,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:58,883 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:49:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 996 states and 1547 transitions. [2019-11-19 22:49:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1547 transitions. [2019-11-19 22:49:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 22:49:59,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:49:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1001 states and 1556 transitions. [2019-11-19 22:49:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1556 transitions. [2019-11-19 22:49:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-19 22:49:59,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1012 states and 1578 transitions. [2019-11-19 22:49:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1578 transitions. [2019-11-19 22:49:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-19 22:49:59,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:49:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:49:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1016 states and 1584 transitions. [2019-11-19 22:49:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1584 transitions. [2019-11-19 22:49:59,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-19 22:49:59,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:49:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:49:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:00,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1023 states and 1594 transitions. [2019-11-19 22:50:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1594 transitions. [2019-11-19 22:50:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 22:50:00,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:00,310 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1025 states and 1596 transitions. [2019-11-19 22:50:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1596 transitions. [2019-11-19 22:50:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-19 22:50:00,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:00,617 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:00,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:00,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1030 states and 1605 transitions. [2019-11-19 22:50:00,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1605 transitions. [2019-11-19 22:50:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-19 22:50:00,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:50:00,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:00,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1041 states and 1627 transitions. [2019-11-19 22:50:00,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1627 transitions. [2019-11-19 22:50:00,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-19 22:50:00,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:50:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:01,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1042 states and 1628 transitions. [2019-11-19 22:50:01,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1628 transitions. [2019-11-19 22:50:01,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 22:50:01,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:01,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:01,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1044 states and 1630 transitions. [2019-11-19 22:50:01,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1630 transitions. [2019-11-19 22:50:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-19 22:50:01,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1046 states and 1632 transitions. [2019-11-19 22:50:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1632 transitions. [2019-11-19 22:50:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 22:50:01,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:01,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1051 states and 1641 transitions. [2019-11-19 22:50:01,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1641 transitions. [2019-11-19 22:50:01,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-19 22:50:01,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:50:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:03,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1055 states and 1648 transitions. [2019-11-19 22:50:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1648 transitions. [2019-11-19 22:50:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-19 22:50:03,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:50:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1059 states and 1655 transitions. [2019-11-19 22:50:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1655 transitions. [2019-11-19 22:50:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-19 22:50:04,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:04,333 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1061 states and 1657 transitions. [2019-11-19 22:50:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1657 transitions. [2019-11-19 22:50:04,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-19 22:50:04,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1063 states and 1659 transitions. [2019-11-19 22:50:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1659 transitions. [2019-11-19 22:50:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-19 22:50:04,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:04,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1065 states and 1661 transitions. [2019-11-19 22:50:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1661 transitions. [2019-11-19 22:50:04,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-19 22:50:04,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:04,927 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1067 states and 1663 transitions. [2019-11-19 22:50:05,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 1663 transitions. [2019-11-19 22:50:05,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 22:50:05,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:05,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1069 states and 1665 transitions. [2019-11-19 22:50:05,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1665 transitions. [2019-11-19 22:50:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-19 22:50:05,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1071 states and 1667 transitions. [2019-11-19 22:50:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1667 transitions. [2019-11-19 22:50:05,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 22:50:05,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:05,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1073 states and 1669 transitions. [2019-11-19 22:50:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1669 transitions. [2019-11-19 22:50:05,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 22:50:05,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:50:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:06,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1077 states and 1676 transitions. [2019-11-19 22:50:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1676 transitions. [2019-11-19 22:50:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-19 22:50:06,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:06,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1079 states and 1678 transitions. [2019-11-19 22:50:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1678 transitions. [2019-11-19 22:50:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-19 22:50:06,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1092 states and 1702 transitions. [2019-11-19 22:50:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1702 transitions. [2019-11-19 22:50:07,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-19 22:50:07,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:07,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:07,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1093 states and 1703 transitions. [2019-11-19 22:50:07,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1703 transitions. [2019-11-19 22:50:07,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-19 22:50:07,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:50:07,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:07,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1094 states and 1704 transitions. [2019-11-19 22:50:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1704 transitions. [2019-11-19 22:50:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-19 22:50:07,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:07,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1095 states and 1705 transitions. [2019-11-19 22:50:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1705 transitions. [2019-11-19 22:50:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-19 22:50:07,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:50:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:08,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1096 states and 1706 transitions. [2019-11-19 22:50:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1706 transitions. [2019-11-19 22:50:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-19 22:50:08,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1098 states and 1708 transitions. [2019-11-19 22:50:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1708 transitions. [2019-11-19 22:50:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-19 22:50:08,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:08,239 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 22:50:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1103 states and 1716 transitions. [2019-11-19 22:50:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1716 transitions. [2019-11-19 22:50:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-19 22:50:08,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:08,733 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:08,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1106 states and 1720 transitions. [2019-11-19 22:50:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1720 transitions. [2019-11-19 22:50:08,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-19 22:50:08,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:08,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1108 states and 1722 transitions. [2019-11-19 22:50:08,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1722 transitions. [2019-11-19 22:50:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-19 22:50:08,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1111 states and 1726 transitions. [2019-11-19 22:50:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1726 transitions. [2019-11-19 22:50:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-19 22:50:09,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:09,230 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-19 22:50:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1113 states and 1728 transitions. [2019-11-19 22:50:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1728 transitions. [2019-11-19 22:50:09,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-19 22:50:09,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1115 states and 1733 transitions. [2019-11-19 22:50:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1733 transitions. [2019-11-19 22:50:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-19 22:50:10,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:10,806 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 22:50:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1117 states and 1735 transitions. [2019-11-19 22:50:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1735 transitions. [2019-11-19 22:50:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-19 22:50:10,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:11,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1120 states and 1739 transitions. [2019-11-19 22:50:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1739 transitions. [2019-11-19 22:50:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-19 22:50:11,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 22:50:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1122 states and 1741 transitions. [2019-11-19 22:50:11,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1741 transitions. [2019-11-19 22:50:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-19 22:50:11,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1124 states and 1743 transitions. [2019-11-19 22:50:11,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1743 transitions. [2019-11-19 22:50:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-19 22:50:11,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-19 22:50:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1128 states and 1748 transitions. [2019-11-19 22:50:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1748 transitions. [2019-11-19 22:50:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-19 22:50:11,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 22:50:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1130 states and 1750 transitions. [2019-11-19 22:50:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1750 transitions. [2019-11-19 22:50:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-19 22:50:11,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1132 states and 1752 transitions. [2019-11-19 22:50:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1752 transitions. [2019-11-19 22:50:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-19 22:50:11,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:11,976 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-19 22:50:12,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:12,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1136 states and 1757 transitions. [2019-11-19 22:50:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1757 transitions. [2019-11-19 22:50:12,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-19 22:50:12,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 22:50:12,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:12,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1138 states and 1759 transitions. [2019-11-19 22:50:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1759 transitions. [2019-11-19 22:50:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-19 22:50:12,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-19 22:50:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:12,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1142 states and 1764 transitions. [2019-11-19 22:50:12,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1764 transitions. [2019-11-19 22:50:12,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-19 22:50:12,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1146 states and 1769 transitions. [2019-11-19 22:50:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1769 transitions. [2019-11-19 22:50:12,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 22:50:12,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:12,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1158 states and 1787 transitions. [2019-11-19 22:50:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1787 transitions. [2019-11-19 22:50:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-19 22:50:12,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 1170 states and 1805 transitions. [2019-11-19 22:50:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1805 transitions. [2019-11-19 22:50:12,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-19 22:50:12,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1182 states and 1823 transitions. [2019-11-19 22:50:13,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1823 transitions. [2019-11-19 22:50:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 22:50:13,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:13,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 943 states and 1436 transitions. [2019-11-19 22:50:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1436 transitions. [2019-11-19 22:50:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-19 22:50:13,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 703 states and 1048 transitions. [2019-11-19 22:50:13,302 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1048 transitions. [2019-11-19 22:50:13,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-19 22:50:13,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-19 22:50:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 460 states and 658 transitions. [2019-11-19 22:50:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 658 transitions. [2019-11-19 22:50:13,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:50:13,505 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 172 iterations. [2019-11-19 22:50:13,517 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:50:15,125 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,134 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,134 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,134 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,134 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,135 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,136 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,136 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,136 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,136 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,137 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,137 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,137 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,137 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,138 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,138 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-19 22:50:15,144 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,144 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,145 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,145 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,145 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,145 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,146 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,146 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,146 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,146 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,147 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,147 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,147 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,147 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,148 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,149 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,149 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,149 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:50:15,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:50:15 ImpRootNode [2019-11-19 22:50:15,150 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:50:15,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:50:15,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:50:15,151 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:50:15,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:49:36" (3/4) ... [2019-11-19 22:50:15,156 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:50:15,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~int [2019-11-19 22:50:15,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure null_rx [2019-11-19 22:50:15,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure consume_skb [2019-11-19 22:50:15,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2019-11-19 22:50:15,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arcnet_rebuild_header [2019-11-19 22:50:15,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-19 22:50:15,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_arcbuf [2019-11-19 22:50:15,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2019-11-19 22:50:15,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure null_prepare_tx [2019-11-19 22:50:15,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2019-11-19 22:50:15,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-19 22:50:15,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure module_put [2019-11-19 22:50:15,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2019-11-19 22:50:15,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_tx_start_queue [2019-11-19 22:50:15,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2019-11-19 22:50:15,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2019-11-19 22:50:15,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_priv [2019-11-19 22:50:15,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-11-19 22:50:15,167 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netdev_get_tx_queue [2019-11-19 22:50:15,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure choose_mtu [2019-11-19 22:50:15,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arcnet_close [2019-11-19 22:50:15,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~~uint8_t~0~TO~int [2019-11-19 22:50:15,168 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2019-11-19 22:50:15,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_wake_queue [2019-11-19 22:50:15,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_arcbuf [2019-11-19 22:50:15,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2019-11-19 22:50:15,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure netif_stop_queue [2019-11-19 22:50:15,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2019-11-19 22:50:15,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-11-19 22:50:15,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arcnet_open [2019-11-19 22:50:15,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~int~TO~VOID [2019-11-19 22:50:15,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure arcnet_timeout [2019-11-19 22:50:15,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2019-11-19 22:50:15,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure null_build_header [2019-11-19 22:50:15,217 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 293 nodes and edges [2019-11-19 22:50:15,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2019-11-19 22:50:15,228 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2019-11-19 22:50:15,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 22:50:15,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:50:15,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:50:15,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 22:50:15,642 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a59071ef-2d52-4da9-b863-540517574a20/bin/ukojak/witness.graphml [2019-11-19 22:50:15,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:50:15,645 INFO L168 Benchmark]: Toolchain (without parser) took 57414.08 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 938.0 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,645 INFO L168 Benchmark]: CDTParser took 0.89 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. [2019-11-19 22:50:15,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1646.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -89.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 176.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,647 INFO L168 Benchmark]: Boogie Preprocessor took 193.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,647 INFO L168 Benchmark]: RCFGBuilder took 16145.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 238.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,648 INFO L168 Benchmark]: CodeCheck took 38751.47 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 860.7 MB in the end (delta: 281.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,648 INFO L168 Benchmark]: Witness Printer took 492.42 ms. Allocated memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 26.2 MB). Free memory was 860.7 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:15,651 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 35 procedures, 408 locations, 1 error locations. Result: SAFE, OverallTime: 37.0s, OverallIterations: 172, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -50080432 SDtfs, -2088630852 SDslu, 48880504 SDs, 0 SdLazy, -829806848 SolverSat, 1014978040 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 470.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189051 GetRequests, 188853 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15687 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.3s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 13415 NumberOfCodeBlocks, 13415 NumberOfCodeBlocksAsserted, 171 NumberOfCheckSat, 13244 ConstructedInterpolants, 0 QuantifiedInterpolants, 2324367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 171 InterpolantComputations, 171 PerfectInterpolantSequences, 3903/3903 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: 6124]: 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: 5589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5341]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6464]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6047]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6455]: Loop Invariant Derived loop invariant: ((1 == ldv_mutex_lock && ldv_s_arcnet_netdev_ops_net_device_ops == 0) && 1 == ldv_mutex_mutex) && ldv_mutex_cred_guard_mutex == 1 - InvariantResult [Line: 4897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6551]: 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: 5612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5619]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5323]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5723]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5056]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4865]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5612]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 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 1646.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 938.0 MB in the beginning and 1.0 GB in the end (delta: -89.4 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 176.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 193.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 16145.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -141.7 MB). Peak memory consumption was 238.2 MB. Max. memory is 11.5 GB. * CodeCheck took 38751.47 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 860.7 MB in the end (delta: 281.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 492.42 ms. Allocated memory was 2.5 GB in the beginning and 2.5 GB in the end (delta: 26.2 MB). Free memory was 860.7 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...