./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9b346bced52bf2ffadc8651582e426f5ec0db5ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:39:30,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:39:30,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:39:30,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:39:30,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:39:30,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:39:30,894 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:39:30,895 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:39:30,896 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:39:30,896 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:39:30,897 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:39:30,897 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:39:30,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:39:30,898 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:39:30,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:39:30,899 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:39:30,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:39:30,900 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:39:30,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:39:30,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:39:30,903 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:39:30,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:39:30,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:39:30,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:39:30,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:39:30,905 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:39:30,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:39:30,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:39:30,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:39:30,907 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:39:30,907 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:39:30,908 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:39:30,908 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:39:30,908 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:39:30,909 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:39:30,909 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:39:30,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-02 14:39:30,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:39:30,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:39:30,917 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:39:30,917 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:39:30,918 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:39:30,918 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:39:30,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:39:30,918 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:39:30,918 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:39:30,918 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:39:30,919 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:39:30,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:39:30,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:39:30,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:39:30,920 INFO L133 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b346bced52bf2ffadc8651582e426f5ec0db5ab [2018-12-02 14:39:30,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:39:30,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:39:30,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:39:30,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:39:30,950 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:39:30,950 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2018-12-02 14:39:30,995 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/data/2f3040e08/73c823afc0fe4f678dd5c4e4a3ca6c12/FLAGb57b37c09 [2018-12-02 14:39:31,547 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:39:31,548 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2018-12-02 14:39:31,566 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/data/2f3040e08/73c823afc0fe4f678dd5c4e4a3ca6c12/FLAGb57b37c09 [2018-12-02 14:39:32,019 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/data/2f3040e08/73c823afc0fe4f678dd5c4e4a3ca6c12 [2018-12-02 14:39:32,021 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:39:32,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:39:32,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:39:32,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:39:32,025 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:39:32,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:32,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d9c0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32, skipping insertion in model container [2018-12-02 14:39:32,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:32,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:39:32,075 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:39:32,727 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:39:32,740 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:39:32,902 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:39:32,933 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:39:32,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32 WrapperNode [2018-12-02 14:39:32,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:39:32,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:39:32,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:39:32,934 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:39:32,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:32,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:32,994 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:39:32,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:39:32,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:39:32,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:39:33,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... [2018-12-02 14:39:33,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:39:33,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:39:33,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:39:33,040 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:39:33,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:39:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:39:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-12-02 14:39:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-12-02 14:39:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2018-12-02 14:39:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2018-12-02 14:39:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-02 14:39:33,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-02 14:39:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:39:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 14:39:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-02 14:39:33,077 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-02 14:39:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-02 14:39:33,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-02 14:39:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2018-12-02 14:39:33,077 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2018-12-02 14:39:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-02 14:39:33,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:39:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-12-02 14:39:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-12-02 14:39:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-12-02 14:39:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-12-02 14:39:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2018-12-02 14:39:33,078 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2018-12-02 14:39:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-02 14:39:33,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-02 14:39:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2018-12-02 14:39:33,079 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2018-12-02 14:39:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-02 14:39:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-02 14:39:33,079 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-02 14:39:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 14:39:33,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:39:33,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:39:38,393 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:39:38,393 INFO L280 CfgBuilder]: Removed 83 assue(true) statements. [2018-12-02 14:39:38,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:39:38 BoogieIcfgContainer [2018-12-02 14:39:38,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:39:38,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:39:38,394 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:39:38,400 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:39:38,401 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:39:38" (1/1) ... [2018-12-02 14:39:38,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:39:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2018-12-02 14:39:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2018-12-02 14:39:38,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 14:39:38,438 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 115 states and 169 transitions. [2018-12-02 14:39:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2018-12-02 14:39:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 14:39:38,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 124 states and 194 transitions. [2018-12-02 14:39:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2018-12-02 14:39:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:39:38,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 125 states and 195 transitions. [2018-12-02 14:39:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2018-12-02 14:39:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:39:38,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:39,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:39,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 135 states and 221 transitions. [2018-12-02 14:39:39,255 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 221 transitions. [2018-12-02 14:39:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 14:39:39,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:39,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:39,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2018-12-02 14:39:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2018-12-02 14:39:39,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 14:39:39,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 147 states and 249 transitions. [2018-12-02 14:39:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 249 transitions. [2018-12-02 14:39:39,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 14:39:39,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 150 states and 262 transitions. [2018-12-02 14:39:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 262 transitions. [2018-12-02 14:39:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 14:39:39,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 151 states and 262 transitions. [2018-12-02 14:39:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2018-12-02 14:39:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 14:39:40,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 152 states and 263 transitions. [2018-12-02 14:39:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2018-12-02 14:39:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:39:40,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 153 states and 263 transitions. [2018-12-02 14:39:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2018-12-02 14:39:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 14:39:40,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:40,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 154 states and 263 transitions. [2018-12-02 14:39:40,376 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 263 transitions. [2018-12-02 14:39:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:39:40,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 160 states and 278 transitions. [2018-12-02 14:39:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 278 transitions. [2018-12-02 14:39:40,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:39:40,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2018-12-02 14:39:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2018-12-02 14:39:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:39:40,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 162 states and 279 transitions. [2018-12-02 14:39:40,614 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 279 transitions. [2018-12-02 14:39:40,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 14:39:40,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 168 states and 294 transitions. [2018-12-02 14:39:40,782 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2018-12-02 14:39:40,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 14:39:40,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 169 states and 294 transitions. [2018-12-02 14:39:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 294 transitions. [2018-12-02 14:39:40,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 14:39:40,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 175 states and 309 transitions. [2018-12-02 14:39:40,948 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 309 transitions. [2018-12-02 14:39:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 14:39:40,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:40,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:40,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:40,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 176 states and 309 transitions. [2018-12-02 14:39:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2018-12-02 14:39:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:39:40,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:41,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 179 states and 323 transitions. [2018-12-02 14:39:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 323 transitions. [2018-12-02 14:39:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:39:41,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:41,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 182 states and 327 transitions. [2018-12-02 14:39:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 327 transitions. [2018-12-02 14:39:41,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:39:41,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 183 states and 327 transitions. [2018-12-02 14:39:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 327 transitions. [2018-12-02 14:39:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:39:41,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 188 states and 346 transitions. [2018-12-02 14:39:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 346 transitions. [2018-12-02 14:39:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:39:42,001 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 190 states and 351 transitions. [2018-12-02 14:39:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 351 transitions. [2018-12-02 14:39:42,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:39:42,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 351 transitions. [2018-12-02 14:39:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2018-12-02 14:39:42,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:39:42,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 194 states and 362 transitions. [2018-12-02 14:39:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 362 transitions. [2018-12-02 14:39:42,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:39:42,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 197 states and 368 transitions. [2018-12-02 14:39:42,913 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 368 transitions. [2018-12-02 14:39:42,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:39:42,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 198 states and 369 transitions. [2018-12-02 14:39:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 369 transitions. [2018-12-02 14:39:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:39:42,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:42,985 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 199 states and 370 transitions. [2018-12-02 14:39:42,992 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 370 transitions. [2018-12-02 14:39:42,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:39:42,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:43,020 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:43,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 200 states and 370 transitions. [2018-12-02 14:39:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 370 transitions. [2018-12-02 14:39:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 14:39:43,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 203 states and 376 transitions. [2018-12-02 14:39:43,324 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 376 transitions. [2018-12-02 14:39:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 14:39:43,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 204 states and 377 transitions. [2018-12-02 14:39:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 377 transitions. [2018-12-02 14:39:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 14:39:43,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:43,483 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 208 states and 392 transitions. [2018-12-02 14:39:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 392 transitions. [2018-12-02 14:39:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 14:39:44,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:39:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 394 transitions. [2018-12-02 14:39:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 394 transitions. [2018-12-02 14:39:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 14:39:44,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:44,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 210 states and 395 transitions. [2018-12-02 14:39:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 395 transitions. [2018-12-02 14:39:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 14:39:44,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 211 states and 396 transitions. [2018-12-02 14:39:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2018-12-02 14:39:44,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:39:44,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:39:44,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 212 states and 396 transitions. [2018-12-02 14:39:44,585 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 396 transitions. [2018-12-02 14:39:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:39:44,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,622 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 215 states and 401 transitions. [2018-12-02 14:39:44,710 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 401 transitions. [2018-12-02 14:39:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 14:39:44,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:44,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 216 states and 402 transitions. [2018-12-02 14:39:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 402 transitions. [2018-12-02 14:39:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 14:39:44,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 221 states and 410 transitions. [2018-12-02 14:39:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 410 transitions. [2018-12-02 14:39:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 14:39:44,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:39:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 222 states and 411 transitions. [2018-12-02 14:39:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 411 transitions. [2018-12-02 14:39:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 14:39:44,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,916 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 223 states and 411 transitions. [2018-12-02 14:39:44,928 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 411 transitions. [2018-12-02 14:39:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:39:44,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:45,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 228 states and 419 transitions. [2018-12-02 14:39:45,012 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 419 transitions. [2018-12-02 14:39:45,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 14:39:45,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:39:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 229 states and 419 transitions. [2018-12-02 14:39:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 419 transitions. [2018-12-02 14:39:45,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 14:39:45,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,081 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 232 states and 424 transitions. [2018-12-02 14:39:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 424 transitions. [2018-12-02 14:39:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 14:39:45,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 233 states and 425 transitions. [2018-12-02 14:39:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 425 transitions. [2018-12-02 14:39:45,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:39:45,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,214 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 238 states and 433 transitions. [2018-12-02 14:39:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 433 transitions. [2018-12-02 14:39:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:39:45,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,298 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:39:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 239 states and 433 transitions. [2018-12-02 14:39:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 433 transitions. [2018-12-02 14:39:45,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:39:45,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,617 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:39:45,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 242 states and 437 transitions. [2018-12-02 14:39:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 437 transitions. [2018-12-02 14:39:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 14:39:45,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,744 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:45,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:45,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 243 states and 437 transitions. [2018-12-02 14:39:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2018-12-02 14:39:45,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 14:39:45,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:39:46,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 244 states and 443 transitions. [2018-12-02 14:39:46,168 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 443 transitions. [2018-12-02 14:39:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:39:46,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:39:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 245 states and 443 transitions. [2018-12-02 14:39:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 443 transitions. [2018-12-02 14:39:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:39:46,327 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:46,415 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 14:39:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 249 states and 458 transitions. [2018-12-02 14:39:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 458 transitions. [2018-12-02 14:39:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:39:47,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 14:39:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 249 states and 457 transitions. [2018-12-02 14:39:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 457 transitions. [2018-12-02 14:39:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 14:39:47,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 14:39:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:47,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 249 states and 456 transitions. [2018-12-02 14:39:47,297 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 456 transitions. [2018-12-02 14:39:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 14:39:47,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:47,325 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 14:39:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 250 states and 457 transitions. [2018-12-02 14:39:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 457 transitions. [2018-12-02 14:39:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 14:39:47,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:47,567 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:47,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:47,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 251 states and 458 transitions. [2018-12-02 14:39:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 458 transitions. [2018-12-02 14:39:47,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 14:39:47,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 14:39:48,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 252 states and 458 transitions. [2018-12-02 14:39:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 458 transitions. [2018-12-02 14:39:48,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 14:39:48,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 257 states and 468 transitions. [2018-12-02 14:39:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 468 transitions. [2018-12-02 14:39:48,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 14:39:48,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 262 states and 478 transitions. [2018-12-02 14:39:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 478 transitions. [2018-12-02 14:39:48,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 14:39:48,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:39:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 267 states and 485 transitions. [2018-12-02 14:39:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 485 transitions. [2018-12-02 14:39:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 14:39:48,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 14:39:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 268 states and 485 transitions. [2018-12-02 14:39:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 485 transitions. [2018-12-02 14:39:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 14:39:48,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 273 states and 495 transitions. [2018-12-02 14:39:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 495 transitions. [2018-12-02 14:39:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 14:39:48,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 14:39:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 276 states and 499 transitions. [2018-12-02 14:39:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 499 transitions. [2018-12-02 14:39:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 14:39:48,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 14:39:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 277 states and 499 transitions. [2018-12-02 14:39:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 499 transitions. [2018-12-02 14:39:49,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 14:39:49,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:49,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 280 states and 504 transitions. [2018-12-02 14:39:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 504 transitions. [2018-12-02 14:39:49,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 14:39:49,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 14:39:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 281 states and 505 transitions. [2018-12-02 14:39:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 505 transitions. [2018-12-02 14:39:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 14:39:49,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 14:39:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:49,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 282 states and 505 transitions. [2018-12-02 14:39:49,345 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 505 transitions. [2018-12-02 14:39:49,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 14:39:49,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 285 states and 510 transitions. [2018-12-02 14:39:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 510 transitions. [2018-12-02 14:39:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 14:39:49,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 14:39:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 286 states and 511 transitions. [2018-12-02 14:39:49,536 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 511 transitions. [2018-12-02 14:39:49,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 14:39:49,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:49,571 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:39:50,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 289 states and 513 transitions. [2018-12-02 14:39:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 513 transitions. [2018-12-02 14:39:50,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 14:39:50,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 14:39:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 290 states and 513 transitions. [2018-12-02 14:39:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 513 transitions. [2018-12-02 14:39:50,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:39:50,196 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 292 states and 514 transitions. [2018-12-02 14:39:50,970 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 514 transitions. [2018-12-02 14:39:50,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 14:39:50,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:39:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 295 states and 519 transitions. [2018-12-02 14:39:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 519 transitions. [2018-12-02 14:39:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:39:51,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:51,048 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:39:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 298 states and 522 transitions. [2018-12-02 14:39:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 522 transitions. [2018-12-02 14:39:51,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:39:51,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:39:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 299 states and 522 transitions. [2018-12-02 14:39:51,775 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 522 transitions. [2018-12-02 14:39:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 14:39:51,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:52,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:52,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 301 states and 524 transitions. [2018-12-02 14:39:52,778 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 524 transitions. [2018-12-02 14:39:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 14:39:52,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:53,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:53,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 303 states and 525 transitions. [2018-12-02 14:39:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 525 transitions. [2018-12-02 14:39:53,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 14:39:53,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:53,351 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:39:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 306 states and 528 transitions. [2018-12-02 14:39:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 528 transitions. [2018-12-02 14:39:53,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 14:39:53,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:53,791 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 14:39:53,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 307 states and 528 transitions. [2018-12-02 14:39:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 528 transitions. [2018-12-02 14:39:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 14:39:53,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 309 states and 529 transitions. [2018-12-02 14:39:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 529 transitions. [2018-12-02 14:39:54,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 14:39:54,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:39:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 314 states and 536 transitions. [2018-12-02 14:39:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 536 transitions. [2018-12-02 14:39:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 14:39:54,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:55,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 316 states and 539 transitions. [2018-12-02 14:39:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 539 transitions. [2018-12-02 14:39:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 14:39:55,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:39:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 321 states and 546 transitions. [2018-12-02 14:39:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 546 transitions. [2018-12-02 14:39:55,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:39:55,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:39:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 326 states and 553 transitions. [2018-12-02 14:39:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 553 transitions. [2018-12-02 14:39:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 14:39:55,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:55,501 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:55,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:55,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 327 states and 555 transitions. [2018-12-02 14:39:55,654 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 555 transitions. [2018-12-02 14:39:55,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 14:39:55,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:55,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:39:55,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 328 states and 557 transitions. [2018-12-02 14:39:55,720 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 557 transitions. [2018-12-02 14:39:55,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 14:39:55,720 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:39:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 334 states and 567 transitions. [2018-12-02 14:39:56,443 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 567 transitions. [2018-12-02 14:39:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 14:39:56,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:56,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:39:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:57,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 340 states and 577 transitions. [2018-12-02 14:39:57,187 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 577 transitions. [2018-12-02 14:39:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 14:39:57,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-02 14:39:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 346 states and 587 transitions. [2018-12-02 14:39:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 587 transitions. [2018-12-02 14:39:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 14:39:57,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 14:39:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 347 states and 589 transitions. [2018-12-02 14:39:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 589 transitions. [2018-12-02 14:39:58,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 14:39:58,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 14:39:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 356 states and 605 transitions. [2018-12-02 14:39:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 605 transitions. [2018-12-02 14:39:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 14:39:59,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:59,450 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 14:40:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 365 states and 621 transitions. [2018-12-02 14:40:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 621 transitions. [2018-12-02 14:40:00,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 14:40:00,565 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:40:00,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:00,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 375 states and 635 transitions. [2018-12-02 14:40:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 635 transitions. [2018-12-02 14:40:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 14:40:00,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 14:40:01,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 384 states and 651 transitions. [2018-12-02 14:40:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 651 transitions. [2018-12-02 14:40:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 14:40:01,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:40:01,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 394 states and 665 transitions. [2018-12-02 14:40:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 665 transitions. [2018-12-02 14:40:01,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 14:40:01,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 14:40:02,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 404 states and 679 transitions. [2018-12-02 14:40:02,045 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 679 transitions. [2018-12-02 14:40:02,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 14:40:02,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:02,258 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:40:02,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 405 states and 681 transitions. [2018-12-02 14:40:02,452 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 681 transitions. [2018-12-02 14:40:02,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 14:40:02,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 14:40:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 334 states and 556 transitions. [2018-12-02 14:40:03,781 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 556 transitions. [2018-12-02 14:40:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 14:40:03,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 14:40:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 260 states and 428 transitions. [2018-12-02 14:40:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 428 transitions. [2018-12-02 14:40:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-02 14:40:05,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:40:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:40:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 14:40:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:40:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 183 states and 298 transitions. [2018-12-02 14:40:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 298 transitions. [2018-12-02 14:40:06,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:40:06,696 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 101 iterations. [2018-12-02 14:40:06,702 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:40:07,300 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,302 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,302 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,305 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,306 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:40:07,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:40:07 ImpRootNode [2018-12-02 14:40:07,307 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:40:07,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:40:07,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:40:07,307 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:40:07,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:39:38" (3/4) ... [2018-12-02 14:40:07,310 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-12-02 14:40:07,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-12-02 14:40:07,324 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 155 nodes and edges [2018-12-02 14:40:07,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2018-12-02 14:40:07,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 14:40:07,327 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 14:40:07,328 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:40:07,329 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:40:07,410 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6a46256e-68cf-489c-a61d-8d0a330b98bb/bin-2019/ukojak/witness.graphml [2018-12-02 14:40:07,410 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:40:07,411 INFO L168 Benchmark]: Toolchain (without parser) took 35389.61 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 723.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -219.7 MB). Peak memory consumption was 503.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,412 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:40:07,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 911.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.6 MB in the beginning and 993.9 MB in the end (delta: -43.3 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.86 ms. Allocated memory is still 1.2 GB. Free memory was 993.9 MB in the beginning and 979.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,412 INFO L168 Benchmark]: Boogie Preprocessor took 44.67 ms. Allocated memory is still 1.2 GB. Free memory was 979.2 MB in the beginning and 971.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,412 INFO L168 Benchmark]: RCFGBuilder took 5353.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 971.8 MB in the beginning and 1.0 GB in the end (delta: -64.8 MB). Peak memory consumption was 229.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,413 INFO L168 Benchmark]: CodeCheck took 28913.30 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 476.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -170.2 MB). Peak memory consumption was 306.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,413 INFO L168 Benchmark]: Witness Printer took 103.37 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-12-02 14:40:07,414 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 12 procedures, 206 locations, 1 error locations. SAFE Result, 28.2s OverallTime, 101 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 830343848 SDtfs, -1239555516 SDslu, 714026552 SDs, 0 SdLazy, 1045173668 SolverSat, -188692872 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38255 GetRequests, 37815 SyntacticMatches, 70 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70452 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3542 NumberOfCodeBlocks, 3542 NumberOfCodeBlocksAsserted, 100 NumberOfCheckSat, 3442 ConstructedInterpolants, 0 QuantifiedInterpolants, 317850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 100 InterpolantComputations, 91 PerfectInterpolantSequences, 1397/1444 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 7659]: 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: 6597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8067]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7544]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_lock) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_mutex_mutex_of_device)) || !(1 == ldv_state_variable_1)) || !(0 == ldv_state_variable_0) - InvariantResult [Line: 7442]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7236]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7348]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7247]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7247]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7346]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7992]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7247]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7247]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8018]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6546]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7536]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_lock) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(1 == ldv_state_variable_1)) || !(1 == ldv_mutex_mutex_of_device)) || !(0 == ldv_state_variable_0) - InvariantResult [Line: 7207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6731]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 911.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 950.6 MB in the beginning and 993.9 MB in the end (delta: -43.3 MB). Peak memory consumption was 123.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.86 ms. Allocated memory is still 1.2 GB. Free memory was 993.9 MB in the beginning and 979.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.67 ms. Allocated memory is still 1.2 GB. Free memory was 979.2 MB in the beginning and 971.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5353.46 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 104.9 MB). Free memory was 971.8 MB in the beginning and 1.0 GB in the end (delta: -64.8 MB). Peak memory consumption was 229.3 MB. Max. memory is 11.5 GB. * CodeCheck took 28913.30 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 476.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -170.2 MB). Peak memory consumption was 306.4 MB. Max. memory is 11.5 GB. * Witness Printer took 103.37 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...