./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.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_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/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 53088f26da896f702a860a0f7c982ac8cd44a925 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 06:59:52,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:59:52,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:59:52,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:59:52,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:59:52,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:59:52,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:59:52,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:59:52,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:59:52,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:59:52,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:59:52,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:59:52,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:59:52,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:59:52,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:59:52,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:59:52,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:59:52,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:59:52,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:59:52,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:59:52,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:59:52,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:59:52,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:59:52,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:59:52,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:59:52,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:59:52,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:59:52,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:59:52,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:59:52,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:59:52,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:59:52,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:59:52,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:59:52,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:59:52,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:59:52,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:59:52,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:59:52,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:59:52,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:59:52,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:59:52,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:59:52,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 06:59:52,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:59:52,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:59:52,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:59:52,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:59:52,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:59:52,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:59:52,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:59:52,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:59:52,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:59:52,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:59:52,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:59:52,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:59:52,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:59:52,514 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:59:52,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:59:52,514 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:59:52,515 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:59:52,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:59:52,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:59:52,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:59:52,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:59:52,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:59:52,519 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:59:52,519 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:59:52,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:59:52,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:59:52,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 06:59:52,521 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_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/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 -> 53088f26da896f702a860a0f7c982ac8cd44a925 [2019-11-20 06:59:52,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:59:52,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:59:52,698 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:59:52,700 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:59:52,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:59:52,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2019-11-20 06:59:52,764 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/data/6e9333796/30f48cc32f5d4c769cf189169e372b1d/FLAGf90067f7a [2019-11-20 06:59:53,535 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:59:53,536 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cdc_eem.ko-entry_point.cil.out.i [2019-11-20 06:59:53,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/data/6e9333796/30f48cc32f5d4c769cf189169e372b1d/FLAGf90067f7a [2019-11-20 06:59:54,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/data/6e9333796/30f48cc32f5d4c769cf189169e372b1d [2019-11-20 06:59:54,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:59:54,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:59:54,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:54,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:59:54,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:59:54,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:54" (1/1) ... [2019-11-20 06:59:54,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5ba30a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:54, skipping insertion in model container [2019-11-20 06:59:54,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:54" (1/1) ... [2019-11-20 06:59:54,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:59:54,184 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:59:55,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:55,630 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:59:55,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:55,946 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:59:55,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55 WrapperNode [2019-11-20 06:59:55,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:55,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:55,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:59:55,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:59:55,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:56,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:59:56,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:59:56,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:59:56,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... [2019-11-20 06:59:56,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:59:56,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:59:56,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:59:56,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:59:56,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:59:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-20 06:59:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 06:59:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 06:59:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-20 06:59:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-20 06:59:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:59:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-20 06:59:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-20 06:59:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2019-11-20 06:59:56,349 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2019-11-20 06:59:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-11-20 06:59:56,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-11-20 06:59:56,350 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-11-20 06:59:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-11-20 06:59:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-11-20 06:59:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-11-20 06:59:56,351 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-20 06:59:56,351 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-20 06:59:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:59:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-20 06:59:56,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-20 06:59:56,352 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-11-20 06:59:56,353 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-11-20 06:59:56,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-20 06:59:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-20 06:59:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2019-11-20 06:59:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2019-11-20 06:59:56,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-20 06:59:56,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-20 06:59:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure eem_rx_fixup [2019-11-20 06:59:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_rx_fixup [2019-11-20 06:59:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:59:56,355 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-11-20 06:59:56,355 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-11-20 06:59:56,356 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-11-20 06:59:56,356 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-11-20 06:59:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 06:59:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:59:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 06:59:56,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-11-20 06:59:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-11-20 06:59:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-20 06:59:56,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-20 06:59:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 06:59:56,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 06:59:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-20 06:59:56,360 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-20 06:59:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:59:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-20 06:59:56,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 06:59:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 06:59:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:59:56,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:59:56,361 INFO L130 BoogieDeclarations]: Found specification of procedure eem_tx_fixup [2019-11-20 06:59:56,362 INFO L138 BoogieDeclarations]: Found implementation of procedure eem_tx_fixup [2019-11-20 06:59:57,173 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-20 07:00:01,145 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:00:01,145 INFO L285 CfgBuilder]: Removed 107 assume(true) statements. [2019-11-20 07:00:01,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:01 BoogieIcfgContainer [2019-11-20 07:00:01,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:00:01,147 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:00:01,147 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:00:01,154 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:00:01,154 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:01" (1/1) ... [2019-11-20 07:00:01,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:00:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 207 states and 296 transitions. [2019-11-20 07:00:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 296 transitions. [2019-11-20 07:00:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 07:00:01,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 07:00:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 212 states and 322 transitions. [2019-11-20 07:00:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2019-11-20 07:00:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 07:00:01,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 07:00:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 213 states and 323 transitions. [2019-11-20 07:00:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2019-11-20 07:00:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 07:00:01,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 07:00:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 216 states and 344 transitions. [2019-11-20 07:00:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 344 transitions. [2019-11-20 07:00:02,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 07:00:02,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 07:00:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 218 states and 347 transitions. [2019-11-20 07:00:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 347 transitions. [2019-11-20 07:00:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 07:00:02,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 07:00:02,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 217 states and 343 transitions. [2019-11-20 07:00:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 343 transitions. [2019-11-20 07:00:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 07:00:02,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 07:00:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 230 states and 387 transitions. [2019-11-20 07:00:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 387 transitions. [2019-11-20 07:00:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 07:00:03,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 07:00:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 235 states and 411 transitions. [2019-11-20 07:00:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 411 transitions. [2019-11-20 07:00:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 07:00:03,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 07:00:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:03,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 237 states and 413 transitions. [2019-11-20 07:00:03,845 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 413 transitions. [2019-11-20 07:00:03,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 07:00:03,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-20 07:00:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:04,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 236 states and 407 transitions. [2019-11-20 07:00:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 407 transitions. [2019-11-20 07:00:04,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 07:00:04,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 07:00:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 237 states and 407 transitions. [2019-11-20 07:00:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 407 transitions. [2019-11-20 07:00:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 07:00:04,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 07:00:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 240 states and 412 transitions. [2019-11-20 07:00:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 412 transitions. [2019-11-20 07:00:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 07:00:04,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 07:00:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 241 states and 412 transitions. [2019-11-20 07:00:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 412 transitions. [2019-11-20 07:00:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 07:00:04,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 07:00:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 244 states and 417 transitions. [2019-11-20 07:00:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 417 transitions. [2019-11-20 07:00:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 07:00:04,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 07:00:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 246 states and 419 transitions. [2019-11-20 07:00:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 419 transitions. [2019-11-20 07:00:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 07:00:04,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 247 states and 419 transitions. [2019-11-20 07:00:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 419 transitions. [2019-11-20 07:00:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:00:05,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:05,297 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 07:00:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:05,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 248 states and 419 transitions. [2019-11-20 07:00:05,470 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 419 transitions. [2019-11-20 07:00:05,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:00:05,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:05,542 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 07:00:05,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 249 states and 419 transitions. [2019-11-20 07:00:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 419 transitions. [2019-11-20 07:00:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 07:00:05,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 07:00:05,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 252 states and 422 transitions. [2019-11-20 07:00:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 422 transitions. [2019-11-20 07:00:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 07:00:05,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:00:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 262 states and 452 transitions. [2019-11-20 07:00:05,870 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 452 transitions. [2019-11-20 07:00:05,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 07:00:05,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:06,011 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 265 states and 471 transitions. [2019-11-20 07:00:07,117 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 471 transitions. [2019-11-20 07:00:07,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 07:00:07,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:07,227 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 07:00:07,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 269 states and 492 transitions. [2019-11-20 07:00:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 492 transitions. [2019-11-20 07:00:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 07:00:07,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 07:00:07,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 270 states and 492 transitions. [2019-11-20 07:00:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 492 transitions. [2019-11-20 07:00:07,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 07:00:07,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:08,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 275 states and 516 transitions. [2019-11-20 07:00:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 516 transitions. [2019-11-20 07:00:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 07:00:08,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 07:00:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 277 states and 519 transitions. [2019-11-20 07:00:08,821 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 519 transitions. [2019-11-20 07:00:08,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:08,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 07:00:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 279 states and 523 transitions. [2019-11-20 07:00:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 523 transitions. [2019-11-20 07:00:08,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:08,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 07:00:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 280 states and 524 transitions. [2019-11-20 07:00:09,041 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 524 transitions. [2019-11-20 07:00:09,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:09,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:10,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 284 states and 550 transitions. [2019-11-20 07:00:10,529 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 550 transitions. [2019-11-20 07:00:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:10,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:10,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 287 states and 569 transitions. [2019-11-20 07:00:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 569 transitions. [2019-11-20 07:00:10,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:10,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 07:00:11,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 291 states and 576 transitions. [2019-11-20 07:00:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 576 transitions. [2019-11-20 07:00:11,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:11,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 07:00:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 293 states and 578 transitions. [2019-11-20 07:00:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 578 transitions. [2019-11-20 07:00:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 07:00:11,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:11,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 297 states and 602 transitions. [2019-11-20 07:00:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 602 transitions. [2019-11-20 07:00:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 07:00:12,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 07:00:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 298 states and 603 transitions. [2019-11-20 07:00:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 603 transitions. [2019-11-20 07:00:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 07:00:13,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:14,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 305 states and 632 transitions. [2019-11-20 07:00:14,725 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 632 transitions. [2019-11-20 07:00:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 07:00:14,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-20 07:00:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 306 states and 632 transitions. [2019-11-20 07:00:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 632 transitions. [2019-11-20 07:00:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 07:00:14,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:15,035 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:15,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 308 states and 637 transitions. [2019-11-20 07:00:15,498 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 637 transitions. [2019-11-20 07:00:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 07:00:15,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 07:00:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 310 states and 640 transitions. [2019-11-20 07:00:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 640 transitions. [2019-11-20 07:00:15,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:00:15,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 312 states and 643 transitions. [2019-11-20 07:00:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 643 transitions. [2019-11-20 07:00:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:00:15,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 313 states and 644 transitions. [2019-11-20 07:00:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 644 transitions. [2019-11-20 07:00:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 07:00:15,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:16,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 312 states and 630 transitions. [2019-11-20 07:00:16,088 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 630 transitions. [2019-11-20 07:00:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 07:00:16,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 07:00:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:16,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 315 states and 641 transitions. [2019-11-20 07:00:16,455 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 641 transitions. [2019-11-20 07:00:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:00:16,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:16,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 317 states and 648 transitions. [2019-11-20 07:00:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 648 transitions. [2019-11-20 07:00:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:00:16,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:17,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:17,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 319 states and 663 transitions. [2019-11-20 07:00:17,344 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 663 transitions. [2019-11-20 07:00:17,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:00:17,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:00:17,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 318 states and 648 transitions. [2019-11-20 07:00:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 648 transitions. [2019-11-20 07:00:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 07:00:17,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:00:20,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 339 states and 708 transitions. [2019-11-20 07:00:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 708 transitions. [2019-11-20 07:00:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:20,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:20,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:20,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 341 states and 711 transitions. [2019-11-20 07:00:20,839 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 711 transitions. [2019-11-20 07:00:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:20,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:20,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:20,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 342 states and 714 transitions. [2019-11-20 07:00:20,946 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 714 transitions. [2019-11-20 07:00:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:20,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:22,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 349 states and 742 transitions. [2019-11-20 07:00:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 742 transitions. [2019-11-20 07:00:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:22,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 351 states and 754 transitions. [2019-11-20 07:00:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 754 transitions. [2019-11-20 07:00:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:22,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:23,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 354 states and 771 transitions. [2019-11-20 07:00:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 771 transitions. [2019-11-20 07:00:23,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:23,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:23,943 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 356 states and 785 transitions. [2019-11-20 07:00:24,443 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 785 transitions. [2019-11-20 07:00:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 07:00:24,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 07:00:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 360 states and 791 transitions. [2019-11-20 07:00:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 791 transitions. [2019-11-20 07:00:24,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:00:24,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 361 states and 794 transitions. [2019-11-20 07:00:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 794 transitions. [2019-11-20 07:00:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:00:24,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:00:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:25,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 363 states and 797 transitions. [2019-11-20 07:00:25,259 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 797 transitions. [2019-11-20 07:00:25,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:00:25,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 07:00:25,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:25,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 365 states and 801 transitions. [2019-11-20 07:00:25,824 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 801 transitions. [2019-11-20 07:00:25,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 07:00:25,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:00:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:26,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 367 states and 814 transitions. [2019-11-20 07:00:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 814 transitions. [2019-11-20 07:00:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:00:26,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 07:00:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 370 states and 817 transitions. [2019-11-20 07:00:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 817 transitions. [2019-11-20 07:00:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:00:27,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:27,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 372 states and 823 transitions. [2019-11-20 07:00:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 823 transitions. [2019-11-20 07:00:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:00:27,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:27,619 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 07:00:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 373 states and 823 transitions. [2019-11-20 07:00:27,648 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 823 transitions. [2019-11-20 07:00:27,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:00:27,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:28,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 375 states and 837 transitions. [2019-11-20 07:00:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 837 transitions. [2019-11-20 07:00:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:00:28,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 377 states and 849 transitions. [2019-11-20 07:00:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 849 transitions. [2019-11-20 07:00:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:00:28,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:28,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 07:00:28,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:28,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 379 states and 851 transitions. [2019-11-20 07:00:28,650 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 851 transitions. [2019-11-20 07:00:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:00:28,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:28,714 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 07:00:28,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 381 states and 853 transitions. [2019-11-20 07:00:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 853 transitions. [2019-11-20 07:00:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:00:28,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 07:00:29,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 389 states and 873 transitions. [2019-11-20 07:00:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 873 transitions. [2019-11-20 07:00:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 07:00:29,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-11-20 07:00:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 391 states and 875 transitions. [2019-11-20 07:00:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 875 transitions. [2019-11-20 07:00:29,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:00:29,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:29,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 393 states and 877 transitions. [2019-11-20 07:00:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 877 transitions. [2019-11-20 07:00:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:00:29,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:29,696 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:29,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 394 states and 878 transitions. [2019-11-20 07:00:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 878 transitions. [2019-11-20 07:00:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 07:00:29,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:29,863 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 07:00:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 395 states and 878 transitions. [2019-11-20 07:00:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 878 transitions. [2019-11-20 07:00:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 07:00:30,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:30,158 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 07:00:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:30,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 399 states and 887 transitions. [2019-11-20 07:00:30,684 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 887 transitions. [2019-11-20 07:00:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 07:00:30,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:30,762 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 07:00:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:30,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 401 states and 889 transitions. [2019-11-20 07:00:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 889 transitions. [2019-11-20 07:00:30,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:00:30,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:31,004 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 07:00:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 403 states and 891 transitions. [2019-11-20 07:00:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 891 transitions. [2019-11-20 07:00:31,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:00:31,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:31,114 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 07:00:31,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:31,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 404 states and 894 transitions. [2019-11-20 07:00:31,153 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 894 transitions. [2019-11-20 07:00:31,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:00:31,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:31,230 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2019-11-20 07:00:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 405 states and 894 transitions. [2019-11-20 07:00:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 894 transitions. [2019-11-20 07:00:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 07:00:31,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 07:00:31,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:31,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 407 states and 897 transitions. [2019-11-20 07:00:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 897 transitions. [2019-11-20 07:00:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 07:00:31,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:31,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 07:00:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 408 states and 898 transitions. [2019-11-20 07:00:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 898 transitions. [2019-11-20 07:00:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 07:00:32,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:33,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:00:33,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 07:00:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 410 states and 902 transitions. [2019-11-20 07:00:33,723 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 902 transitions. [2019-11-20 07:00:33,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-20 07:00:33,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:33,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:00:33,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 07:00:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 412 states and 906 transitions. [2019-11-20 07:00:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 906 transitions. [2019-11-20 07:00:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-20 07:00:35,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:35,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 07:00:35,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 07:00:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 414 states and 911 transitions. [2019-11-20 07:00:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 911 transitions. [2019-11-20 07:00:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 07:00:36,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:36,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:36,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 07:00:37,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:37,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 416 states and 917 transitions. [2019-11-20 07:00:37,937 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 917 transitions. [2019-11-20 07:00:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 07:00:37,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:38,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:00:38,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:38,300 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 07:00:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 429 states and 943 transitions. [2019-11-20 07:00:41,001 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 943 transitions. [2019-11-20 07:00:41,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 07:00:41,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-20 07:00:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 431 states and 947 transitions. [2019-11-20 07:00:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 947 transitions. [2019-11-20 07:00:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 07:00:41,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:00:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:41,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 436 states and 955 transitions. [2019-11-20 07:00:41,275 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 955 transitions. [2019-11-20 07:00:41,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 07:00:41,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:00:41,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:41,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 438 states and 961 transitions. [2019-11-20 07:00:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 961 transitions. [2019-11-20 07:00:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 07:00:41,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:41,495 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:00:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 441 states and 966 transitions. [2019-11-20 07:00:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 966 transitions. [2019-11-20 07:00:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:41,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:00:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 442 states and 967 transitions. [2019-11-20 07:00:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 967 transitions. [2019-11-20 07:00:41,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:41,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:41,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:41,882 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:42,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:42,394 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:42,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:42,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 474 states and 1113 transitions. [2019-11-20 07:00:48,651 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1113 transitions. [2019-11-20 07:00:48,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:48,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:48,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:48,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:48,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:48,945 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:48,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:48,955 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:49,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 475 states and 1116 transitions. [2019-11-20 07:00:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1116 transitions. [2019-11-20 07:00:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:49,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:49,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:49,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:49,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:49,956 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:49,961 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:49,962 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 477 states and 1128 transitions. [2019-11-20 07:00:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1128 transitions. [2019-11-20 07:00:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:50,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:50,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:50,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:51,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:51,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:51,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:51,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 482 states and 1146 transitions. [2019-11-20 07:00:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1146 transitions. [2019-11-20 07:00:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:52,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:52,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:52,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:52,533 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:52,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:52,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:52,551 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:53,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:53,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 484 states and 1156 transitions. [2019-11-20 07:00:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1156 transitions. [2019-11-20 07:00:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:53,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:53,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:53,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:53,694 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:53,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:53,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:53,709 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:53,722 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:54,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 486 states and 1166 transitions. [2019-11-20 07:00:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 1166 transitions. [2019-11-20 07:00:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:54,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:54,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:54,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:54,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:54,746 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:54,764 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:54,765 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:55,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 488 states and 1178 transitions. [2019-11-20 07:00:55,635 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1178 transitions. [2019-11-20 07:00:55,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:55,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:55,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:00:55,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:55,876 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:55,877 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:55,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:55,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:00:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 07:00:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:56,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 500 states and 1212 transitions. [2019-11-20 07:00:56,935 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 1212 transitions. [2019-11-20 07:00:56,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 07:00:56,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:57,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:00:57,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-20 07:00:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 504 states and 1218 transitions. [2019-11-20 07:00:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1218 transitions. [2019-11-20 07:00:57,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 07:00:57,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:57,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:00:57,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-20 07:00:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 505 states and 1219 transitions. [2019-11-20 07:00:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1219 transitions. [2019-11-20 07:00:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 07:00:57,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:58,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:00:58,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 07:00:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 507 states and 1222 transitions. [2019-11-20 07:00:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1222 transitions. [2019-11-20 07:00:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-20 07:00:58,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:00:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 508 states and 1223 transitions. [2019-11-20 07:00:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1223 transitions. [2019-11-20 07:00:58,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 07:00:58,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:58,771 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:00:58,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:00:58,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 510 states and 1225 transitions. [2019-11-20 07:00:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1225 transitions. [2019-11-20 07:00:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 07:00:58,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:00:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:00:59,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:00:59,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:00:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-20 07:01:00,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:00,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 513 states and 1228 transitions. [2019-11-20 07:01:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1228 transitions. [2019-11-20 07:01:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 07:01:00,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:00,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:01:00,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-20 07:01:00,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 514 states and 1228 transitions. [2019-11-20 07:01:00,704 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1228 transitions. [2019-11-20 07:01:00,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 07:01:00,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:01:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 515 states and 1229 transitions. [2019-11-20 07:01:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1229 transitions. [2019-11-20 07:01:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 07:01:00,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:01,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 07:01:01,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 07:01:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 516 states and 1239 transitions. [2019-11-20 07:01:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1239 transitions. [2019-11-20 07:01:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:01,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:01,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 07:01:01,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:01,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:01:01,331 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:01:01,344 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:01:01,345 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 07:01:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 33 proven. 13 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 07:01:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:05,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 535 states and 1293 transitions. [2019-11-20 07:01:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1293 transitions. [2019-11-20 07:01:05,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:05,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:05,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:01:05,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-20 07:01:05,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:05,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 536 states and 1293 transitions. [2019-11-20 07:01:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1293 transitions. [2019-11-20 07:01:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:05,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:06,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:01:06,061 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:06,070 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 07:01:06,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:06,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 537 states and 1294 transitions. [2019-11-20 07:01:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1294 transitions. [2019-11-20 07:01:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 07:01:06,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:06,493 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:01:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 542 states and 1305 transitions. [2019-11-20 07:01:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1305 transitions. [2019-11-20 07:01:06,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-20 07:01:06,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:06,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:01:06,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 07:01:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 543 states and 1313 transitions. [2019-11-20 07:01:07,956 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1313 transitions. [2019-11-20 07:01:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:07,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:08,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:01:08,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 07:01:14,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:14,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 570 states and 1405 transitions. [2019-11-20 07:01:14,310 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1405 transitions. [2019-11-20 07:01:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:14,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:14,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:01:14,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:14,533 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 07:01:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 585 states and 1442 transitions. [2019-11-20 07:01:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1442 transitions. [2019-11-20 07:01:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 07:01:15,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:15,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:01:15,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 07:01:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 588 states and 1455 transitions. [2019-11-20 07:01:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1455 transitions. [2019-11-20 07:01:17,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 07:01:17,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:17,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:01:17,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:17,435 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-20 07:01:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 589 states and 1455 transitions. [2019-11-20 07:01:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1455 transitions. [2019-11-20 07:01:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 07:01:17,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:17,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 07:01:17,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-20 07:01:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 591 states and 1458 transitions. [2019-11-20 07:01:17,688 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1458 transitions. [2019-11-20 07:01:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 07:01:17,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:17,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:01:17,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:17,926 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-11-20 07:01:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 593 states and 1458 transitions. [2019-11-20 07:01:17,972 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1458 transitions. [2019-11-20 07:01:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-11-20 07:01:17,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:18,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:01:18,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-11-20 07:01:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 595 states and 1458 transitions. [2019-11-20 07:01:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1458 transitions. [2019-11-20 07:01:18,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 07:01:18,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:18,362 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-20 07:01:18,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 597 states and 1465 transitions. [2019-11-20 07:01:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1465 transitions. [2019-11-20 07:01:18,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 07:01:18,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:18,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:01:18,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-11-20 07:01:19,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 598 states and 1467 transitions. [2019-11-20 07:01:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1467 transitions. [2019-11-20 07:01:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 07:01:19,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:19,305 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 07:01:19,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:19,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 600 states and 1469 transitions. [2019-11-20 07:01:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1469 transitions. [2019-11-20 07:01:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 07:01:19,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:19,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 1061 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 07:01:19,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-20 07:01:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:20,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 604 states and 1476 transitions. [2019-11-20 07:01:20,856 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1476 transitions. [2019-11-20 07:01:20,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-11-20 07:01:20,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:21,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 989 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 07:01:21,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 07:01:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 07:01:21,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 606 states and 1476 transitions. [2019-11-20 07:01:21,124 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1476 transitions. [2019-11-20 07:01:21,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 07:01:21,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-11-20 07:01:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 620 states and 1535 transitions. [2019-11-20 07:01:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1535 transitions. [2019-11-20 07:01:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 07:01:26,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-11-20 07:01:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 625 states and 1541 transitions. [2019-11-20 07:01:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1541 transitions. [2019-11-20 07:01:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 07:01:26,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-11-20 07:01:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 630 states and 1548 transitions. [2019-11-20 07:01:26,712 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1548 transitions. [2019-11-20 07:01:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 07:01:26,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-20 07:01:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 633 states and 1554 transitions. [2019-11-20 07:01:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1554 transitions. [2019-11-20 07:01:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-20 07:01:28,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-20 07:01:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 635 states and 1556 transitions. [2019-11-20 07:01:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1556 transitions. [2019-11-20 07:01:28,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 07:01:28,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:28,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-20 07:01:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 638 states and 1560 transitions. [2019-11-20 07:01:28,519 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1560 transitions. [2019-11-20 07:01:28,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 07:01:28,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-20 07:01:28,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:28,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 639 states and 1561 transitions. [2019-11-20 07:01:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1561 transitions. [2019-11-20 07:01:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 07:01:28,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2019-11-20 07:01:28,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 648 states and 1585 transitions. [2019-11-20 07:01:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1585 transitions. [2019-11-20 07:01:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 07:01:28,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:29,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:29,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 648 states and 1584 transitions. [2019-11-20 07:01:29,037 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1584 transitions. [2019-11-20 07:01:29,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 07:01:29,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2019-11-20 07:01:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:30,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 663 states and 1626 transitions. [2019-11-20 07:01:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1626 transitions. [2019-11-20 07:01:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 07:01:30,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:30,450 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2019-11-20 07:01:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 664 states and 1627 transitions. [2019-11-20 07:01:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1627 transitions. [2019-11-20 07:01:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 07:01:30,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 668 states and 1638 transitions. [2019-11-20 07:01:33,173 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1638 transitions. [2019-11-20 07:01:33,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 07:01:33,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 668 states and 1637 transitions. [2019-11-20 07:01:33,291 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1637 transitions. [2019-11-20 07:01:33,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 07:01:33,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2019-11-20 07:01:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 670 states and 1639 transitions. [2019-11-20 07:01:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1639 transitions. [2019-11-20 07:01:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 07:01:33,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:36,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 673 states and 1645 transitions. [2019-11-20 07:01:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1645 transitions. [2019-11-20 07:01:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 07:01:36,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2019-11-20 07:01:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 674 states and 1645 transitions. [2019-11-20 07:01:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1645 transitions. [2019-11-20 07:01:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 07:01:36,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:40,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:40,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 689 states and 1688 transitions. [2019-11-20 07:01:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1688 transitions. [2019-11-20 07:01:40,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 07:01:40,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-20 07:01:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 684 states and 1675 transitions. [2019-11-20 07:01:41,290 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1675 transitions. [2019-11-20 07:01:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 07:01:41,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:42,159 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:42,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 686 states and 1677 transitions. [2019-11-20 07:01:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1677 transitions. [2019-11-20 07:01:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 07:01:42,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-11-20 07:01:44,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 689 states and 1682 transitions. [2019-11-20 07:01:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1682 transitions. [2019-11-20 07:01:44,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 07:01:44,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-11-20 07:01:47,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:47,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 692 states and 1691 transitions. [2019-11-20 07:01:47,257 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1691 transitions. [2019-11-20 07:01:47,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 07:01:47,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-20 07:01:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 676 states and 1656 transitions. [2019-11-20 07:01:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1656 transitions. [2019-11-20 07:01:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 07:01:48,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-20 07:01:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 681 states and 1663 transitions. [2019-11-20 07:01:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1663 transitions. [2019-11-20 07:01:48,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 07:01:48,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:48,321 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-11-20 07:01:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 684 states and 1668 transitions. [2019-11-20 07:01:48,364 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1668 transitions. [2019-11-20 07:01:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 07:01:48,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-11-20 07:01:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 685 states and 1669 transitions. [2019-11-20 07:01:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1669 transitions. [2019-11-20 07:01:48,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 07:01:48,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:48,680 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-20 07:01:48,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:48,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1752 states to 687 states and 1671 transitions. [2019-11-20 07:01:48,713 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1671 transitions. [2019-11-20 07:01:48,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 07:01:48,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-11-20 07:01:48,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:48,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 688 states and 1672 transitions. [2019-11-20 07:01:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1672 transitions. [2019-11-20 07:01:48,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-20 07:01:48,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2019-11-20 07:01:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 693 states and 1679 transitions. [2019-11-20 07:01:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1679 transitions. [2019-11-20 07:01:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 07:01:49,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-11-20 07:01:49,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:49,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 694 states and 1679 transitions. [2019-11-20 07:01:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1679 transitions. [2019-11-20 07:01:49,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 07:01:49,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:50,266 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2019-11-20 07:01:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 697 states and 1684 transitions. [2019-11-20 07:01:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1684 transitions. [2019-11-20 07:01:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-20 07:01:50,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-11-20 07:01:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 702 states and 1694 transitions. [2019-11-20 07:01:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1694 transitions. [2019-11-20 07:01:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-20 07:01:50,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-11-20 07:01:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 703 states and 1695 transitions. [2019-11-20 07:01:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1695 transitions. [2019-11-20 07:01:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 07:01:51,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-11-20 07:01:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 705 states and 1697 transitions. [2019-11-20 07:01:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1697 transitions. [2019-11-20 07:01:51,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 07:01:51,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:52,541 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-11-20 07:01:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 706 states and 1698 transitions. [2019-11-20 07:01:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1698 transitions. [2019-11-20 07:01:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 07:01:52,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2019-11-20 07:01:52,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 708 states and 1700 transitions. [2019-11-20 07:01:52,756 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1700 transitions. [2019-11-20 07:01:52,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 07:01:52,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-11-20 07:01:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 709 states and 1700 transitions. [2019-11-20 07:01:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1700 transitions. [2019-11-20 07:01:53,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 07:01:53,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:54,008 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-11-20 07:01:54,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 714 states and 1710 transitions. [2019-11-20 07:01:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1710 transitions. [2019-11-20 07:01:54,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 07:01:54,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-11-20 07:01:54,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:54,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 719 states and 1716 transitions. [2019-11-20 07:01:54,211 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1716 transitions. [2019-11-20 07:01:54,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 07:01:54,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-11-20 07:01:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 721 states and 1718 transitions. [2019-11-20 07:01:54,916 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1718 transitions. [2019-11-20 07:01:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 07:01:54,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-11-20 07:01:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 726 states and 1724 transitions. [2019-11-20 07:01:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1724 transitions. [2019-11-20 07:01:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 07:01:55,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 07:01:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:56,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 729 states and 1730 transitions. [2019-11-20 07:01:56,745 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1730 transitions. [2019-11-20 07:01:56,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 07:01:56,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2019-11-20 07:01:56,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:56,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 734 states and 1737 transitions. [2019-11-20 07:01:56,931 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1737 transitions. [2019-11-20 07:01:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 07:01:56,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 07:01:57,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 736 states and 1739 transitions. [2019-11-20 07:01:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1739 transitions. [2019-11-20 07:01:57,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 07:01:57,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:57,130 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 07:01:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 739 states and 1745 transitions. [2019-11-20 07:01:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1745 transitions. [2019-11-20 07:01:57,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-20 07:01:57,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:58,703 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 13 proven. 13 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2019-11-20 07:01:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 744 states and 1752 transitions. [2019-11-20 07:01:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1752 transitions. [2019-11-20 07:01:58,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 07:01:58,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-20 07:01:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 746 states and 1754 transitions. [2019-11-20 07:01:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1754 transitions. [2019-11-20 07:01:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 07:01:58,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-11-20 07:01:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:59,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 749 states and 1758 transitions. [2019-11-20 07:01:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1758 transitions. [2019-11-20 07:01:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-20 07:01:59,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:01:59,179 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-11-20 07:01:59,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:01:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 750 states and 1759 transitions. [2019-11-20 07:01:59,231 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1759 transitions. [2019-11-20 07:01:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-11-20 07:01:59,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:01:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 07:02:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 753 states and 1763 transitions. [2019-11-20 07:02:00,071 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1763 transitions. [2019-11-20 07:02:00,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 07:02:00,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-11-20 07:02:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 762 states and 1775 transitions. [2019-11-20 07:02:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1775 transitions. [2019-11-20 07:02:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 07:02:00,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 07:02:01,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 763 states and 1776 transitions. [2019-11-20 07:02:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1776 transitions. [2019-11-20 07:02:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 07:02:01,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2019-11-20 07:02:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 769 states and 1784 transitions. [2019-11-20 07:02:03,306 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1784 transitions. [2019-11-20 07:02:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 07:02:03,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 13 proven. 21 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2019-11-20 07:02:04,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:04,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 778 states and 1802 transitions. [2019-11-20 07:02:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1802 transitions. [2019-11-20 07:02:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 07:02:04,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2019-11-20 07:02:05,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:05,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 777 states and 1800 transitions. [2019-11-20 07:02:05,351 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1800 transitions. [2019-11-20 07:02:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 07:02:05,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:05,976 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 13 proven. 36 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-11-20 07:02:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 778 states and 1802 transitions. [2019-11-20 07:02:06,641 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1802 transitions. [2019-11-20 07:02:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 07:02:06,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:02:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:02:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 13 proven. 32 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-11-20 07:02:07,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:02:07,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 626 states and 1454 transitions. [2019-11-20 07:02:07,485 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1454 transitions. [2019-11-20 07:02:07,486 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:02:07,486 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 175 iterations. [2019-11-20 07:02:07,495 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:02:07,782 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 20 [2019-11-20 07:02:07,953 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 21 [2019-11-20 07:02:08,347 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 23 [2019-11-20 07:02:09,055 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,058 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,058 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,058 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,058 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,058 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,059 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 07:02:09,064 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,064 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 07:02:09,064 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,065 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,065 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 07:02:09,065 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,065 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,065 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,066 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,067 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,067 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 07:02:09,068 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,068 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:02:09,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:02:09 ImpRootNode [2019-11-20 07:02:09,069 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:02:09,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:02:09,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:02:09,070 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:02:09,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:00:01" (3/4) ... [2019-11-20 07:02:09,073 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:02:09,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usbnet_disconnect [2019-11-20 07:02:09,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure put_unaligned_le16 [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_push [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_set_remove [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_clone [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_skb_free [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2019-11-20 07:02:09,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_put [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_rx_fixup [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure crc32_le [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_pull [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2019-11-20 07:02:09,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure skb_trim [2019-11-20 07:02:09,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-20 07:02:09,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_kfree_skb_any [2019-11-20 07:02:09,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure eem_tx_fixup [2019-11-20 07:02:09,081 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2019-11-20 07:02:09,105 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 166 nodes and edges [2019-11-20 07:02:09,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2019-11-20 07:02:09,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 07:02:09,112 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:02:09,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(last_index) == last_index && 0 == deleted_index + 1) && i == 0) || ((\old(last_index) == last_index && 0 == deleted_index + 1) && (!(last_index == 0) || 1 <= i)) [2019-11-20 07:02:09,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(last_index == 0) && \old(last_index) == last_index [2019-11-20 07:02:09,306 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ee7fdd8e-6ec6-49f7-a9b0-51d03bca3bc0/bin/ukojak/witness.graphml [2019-11-20 07:02:09,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:02:09,308 INFO L168 Benchmark]: Toolchain (without parser) took 135287.28 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 934.0 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 625.2 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,309 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:02:09,309 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1925.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,310 INFO L168 Benchmark]: Boogie Procedure Inliner took 175.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,310 INFO L168 Benchmark]: Boogie Preprocessor took 143.72 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,310 INFO L168 Benchmark]: RCFGBuilder took 4878.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 172.9 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,311 INFO L168 Benchmark]: CodeCheck took 127922.37 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 438.6 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,311 INFO L168 Benchmark]: Witness Printer took 237.39 ms. Allocated memory is still 3.2 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:02:09,313 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 21 procedures, 208 locations, 1 error locations. Result: SAFE, OverallTime: 126.3s, OverallIterations: 175, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1255481828 SDtfs, 1293227098 SDslu, -1555462670 SDs, 0 SdLazy, -1783776380 SolverSat, 1255706620 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 578.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 181334 GetRequests, 179399 SyntacticMatches, 1233 SemanticMatches, 702 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293613 ImplicationChecksByTransitivity, 93.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 3.1s SsaConstructionTime, 7.7s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 17426 NumberOfCodeBlocks, 17426 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 17252 ConstructedInterpolants, 0 QuantifiedInterpolants, 4958513 SizeOfPredicates, 589 NumberOfNonLiveVariables, 32032 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 174 InterpolantComputations, 114 PerfectInterpolantSequences, 14456/14945 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: 5668]: 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: 6176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5933]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5990]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5847]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5808]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6419]: Loop Invariant Derived loop invariant: !(last_index == 0) && \old(last_index) == last_index - InvariantResult [Line: 6122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: last_index == 0 - InvariantResult [Line: 5897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5929]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6564]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5929]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6405]: Loop Invariant Derived loop invariant: ((\old(last_index) == last_index && 0 == deleted_index + 1) && i == 0) || ((\old(last_index) == last_index && 0 == deleted_index + 1) && (!(last_index == 0) || 1 <= i)) - InvariantResult [Line: 5671]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6278]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1925.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 934.0 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 175.34 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.72 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4878.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 172.9 MB. Max. memory is 11.5 GB. * CodeCheck took 127922.37 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 438.6 MB. Max. memory is 11.5 GB. * Witness Printer took 237.39 ms. Allocated memory is still 3.2 GB. Free memory was 2.5 GB in the beginning and 2.4 GB in the end (delta: 59.0 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...