./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.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.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/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.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/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 522420384e59442e7eb91c7ea22df0bb872e9d93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:12:48,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:12:48,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:12:48,672 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:12:48,672 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:12:48,673 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:12:48,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:12:48,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:12:48,676 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:12:48,676 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:12:48,677 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:12:48,678 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:12:48,678 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:12:48,679 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:12:48,680 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:12:48,680 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:12:48,681 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:12:48,683 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:12:48,684 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:12:48,685 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:12:48,686 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:12:48,687 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:12:48,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:12:48,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:12:48,689 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:12:48,690 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:12:48,691 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:12:48,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:12:48,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:12:48,693 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:12:48,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:12:48,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:12:48,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:12:48,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:12:48,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:12:48,695 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:12:48,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-18 12:12:48,705 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:12:48,705 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:12:48,706 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:12:48,706 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:12:48,707 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:12:48,707 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:12:48,707 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:12:48,707 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:12:48,707 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:12:48,707 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:12:48,707 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:12:48,707 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:12:48,708 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:12:48,708 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:12:48,708 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:12:48,708 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:12:48,708 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:12:48,708 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:12:48,708 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:12:48,708 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:12:48,708 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:12:48,709 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:12:48,709 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:12:48,709 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:12:48,709 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:12:48,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:12:48,709 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:12:48,711 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_7491f188-fea0-440a-8711-54e16b7e93f9/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 -> 522420384e59442e7eb91c7ea22df0bb872e9d93 [2018-11-18 12:12:48,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:12:48,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:12:48,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:12:48,750 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:12:48,750 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:12:48,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.c [2018-11-18 12:12:48,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/data/22e15b87e/f93b5fd21eb846dfb90aad08546abcec/FLAG9cf117fa1 [2018-11-18 12:12:49,416 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:12:49,417 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/sv-benchmarks/c/ldv-consumption/32_7a_cilled_true-unreach-call_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.c [2018-11-18 12:12:49,445 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/data/22e15b87e/f93b5fd21eb846dfb90aad08546abcec/FLAG9cf117fa1 [2018-11-18 12:12:49,568 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/data/22e15b87e/f93b5fd21eb846dfb90aad08546abcec [2018-11-18 12:12:49,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:12:49,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:12:49,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:12:49,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:12:49,585 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:12:49,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:12:49" (1/1) ... [2018-11-18 12:12:49,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a139bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:49, skipping insertion in model container [2018-11-18 12:12:49,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:12:49" (1/1) ... [2018-11-18 12:12:49,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:12:49,800 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:12:51,149 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:12:51,169 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:12:51,624 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:12:51,686 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:12:51,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51 WrapperNode [2018-11-18 12:12:51,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:12:51,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:12:51,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:12:51,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:12:51,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:12:51,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:12:51,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:12:51,788 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:12:51,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... [2018-11-18 12:12:51,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:12:51,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:12:51,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:12:51,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:12:51,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:12:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/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 [2018-11-18 12:12:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2018-11-18 12:12:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2018-11-18 12:12:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-18 12:12:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-18 12:12:51,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-18 12:12:51,966 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2018-11-18 12:12:51,969 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2018-11-18 12:12:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-18 12:12:51,969 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2018-11-18 12:12:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:12:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-18 12:12:51,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-18 12:12:51,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-18 12:12:51,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-18 12:12:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2018-11-18 12:12:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2018-11-18 12:12:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2018-11-18 12:12:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2018-11-18 12:12:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2018-11-18 12:12:51,971 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2018-11-18 12:12:51,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2018-11-18 12:12:51,973 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2018-11-18 12:12:51,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-11-18 12:12:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-11-18 12:12:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2018-11-18 12:12:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-18 12:12:51,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:12:51,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:13:20,047 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:13:20,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:13:20 BoogieIcfgContainer [2018-11-18 12:13:20,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:13:20,048 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:13:20,048 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:13:20,058 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:13:20,058 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:13:20" (1/1) ... [2018-11-18 12:13:20,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:13:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2018-11-18 12:13:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2018-11-18 12:13:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 12:13:20,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:24,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2018-11-18 12:13:24,166 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-11-18 12:13:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:13:24,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:24,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 104 states and 169 transitions. [2018-11-18 12:13:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2018-11-18 12:13:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:13:31,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:31,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:39,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:39,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2018-11-18 12:13:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2018-11-18 12:13:39,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:13:39,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:39,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2018-11-18 12:13:39,217 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2018-11-18 12:13:39,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:13:39,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 128 states and 225 transitions. [2018-11-18 12:13:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 225 transitions. [2018-11-18 12:13:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:13:43,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:48,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 131 states and 239 transitions. [2018-11-18 12:13:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 239 transitions. [2018-11-18 12:13:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:13:48,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 132 states and 239 transitions. [2018-11-18 12:13:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 239 transitions. [2018-11-18 12:13:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:13:48,390 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:48,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 133 states and 240 transitions. [2018-11-18 12:13:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 240 transitions. [2018-11-18 12:13:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:13:48,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:48,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 134 states and 240 transitions. [2018-11-18 12:13:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 240 transitions. [2018-11-18 12:13:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:13:48,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:49,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 240 transitions. [2018-11-18 12:13:49,024 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 240 transitions. [2018-11-18 12:13:49,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:13:49,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 136 states and 240 transitions. [2018-11-18 12:13:49,280 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 240 transitions. [2018-11-18 12:13:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:13:49,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:49,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 137 states and 241 transitions. [2018-11-18 12:13:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 241 transitions. [2018-11-18 12:13:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:13:49,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,387 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:49,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 256 transitions. [2018-11-18 12:13:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2018-11-18 12:13:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:13:49,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:49,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:49,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 144 states and 256 transitions. [2018-11-18 12:13:49,644 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 256 transitions. [2018-11-18 12:13:49,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:13:49,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,710 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 150 states and 271 transitions. [2018-11-18 12:13:49,919 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 271 transitions. [2018-11-18 12:13:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:13:49,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:50,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:50,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 151 states and 271 transitions. [2018-11-18 12:13:50,009 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 271 transitions. [2018-11-18 12:13:50,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:13:50,010 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:50,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 286 transitions. [2018-11-18 12:13:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 286 transitions. [2018-11-18 12:13:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 12:13:50,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:13:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 158 states and 286 transitions. [2018-11-18 12:13:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 286 transitions. [2018-11-18 12:13:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:13:50,269 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 290 transitions. [2018-11-18 12:13:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 290 transitions. [2018-11-18 12:13:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:13:50,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:50,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:50,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 164 states and 304 transitions. [2018-11-18 12:13:50,872 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 304 transitions. [2018-11-18 12:13:50,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:13:50,873 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 165 states and 304 transitions. [2018-11-18 12:13:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 304 transitions. [2018-11-18 12:13:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:13:50,936 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:51,009 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:51,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:51,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 168 states and 309 transitions. [2018-11-18 12:13:51,216 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 309 transitions. [2018-11-18 12:13:51,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:13:51,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:51,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 173 states and 327 transitions. [2018-11-18 12:13:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 327 transitions. [2018-11-18 12:13:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:13:52,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:13:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:52,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 176 states and 340 transitions. [2018-11-18 12:13:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 340 transitions. [2018-11-18 12:13:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:13:52,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:52,736 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 177 states and 340 transitions. [2018-11-18 12:13:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 340 transitions. [2018-11-18 12:13:52,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:13:52,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:52,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:52,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 178 states and 341 transitions. [2018-11-18 12:13:52,965 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 341 transitions. [2018-11-18 12:13:52,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:13:52,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 181 states and 347 transitions. [2018-11-18 12:13:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 347 transitions. [2018-11-18 12:13:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:13:53,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:53,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:53,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 182 states and 348 transitions. [2018-11-18 12:13:53,461 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2018-11-18 12:13:53,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 12:13:53,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:53,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 183 states and 348 transitions. [2018-11-18 12:13:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 348 transitions. [2018-11-18 12:13:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:13:53,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:53,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 186 states and 354 transitions. [2018-11-18 12:13:53,975 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 354 transitions. [2018-11-18 12:13:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:13:53,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:55,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:55,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 190 states and 369 transitions. [2018-11-18 12:13:55,431 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 369 transitions. [2018-11-18 12:13:55,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:13:55,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 191 states and 370 transitions. [2018-11-18 12:13:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 370 transitions. [2018-11-18 12:13:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:13:55,496 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:55,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:55,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 192 states and 370 transitions. [2018-11-18 12:13:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2018-11-18 12:13:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:13:55,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:55,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:55,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 195 states and 375 transitions. [2018-11-18 12:13:55,881 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 375 transitions. [2018-11-18 12:13:55,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:13:55,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:56,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 196 states and 376 transitions. [2018-11-18 12:13:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 376 transitions. [2018-11-18 12:13:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:13:56,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:13:56,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 197 states and 378 transitions. [2018-11-18 12:13:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 378 transitions. [2018-11-18 12:13:56,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:13:56,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 198 states and 379 transitions. [2018-11-18 12:13:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2018-11-18 12:13:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 12:13:56,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,436 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 201 states and 384 transitions. [2018-11-18 12:13:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 384 transitions. [2018-11-18 12:13:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:13:56,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,537 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:56,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 204 states and 389 transitions. [2018-11-18 12:13:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 389 transitions. [2018-11-18 12:13:56,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:13:56,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:56,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 205 states and 390 transitions. [2018-11-18 12:13:56,816 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 390 transitions. [2018-11-18 12:13:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:13:56,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:13:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 206 states and 390 transitions. [2018-11-18 12:13:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 390 transitions. [2018-11-18 12:13:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 12:13:56,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 209 states and 395 transitions. [2018-11-18 12:13:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 395 transitions. [2018-11-18 12:13:57,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:13:57,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,074 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 210 states and 395 transitions. [2018-11-18 12:13:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 395 transitions. [2018-11-18 12:13:57,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:13:57,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,139 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:13:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 211 states and 396 transitions. [2018-11-18 12:13:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2018-11-18 12:13:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 12:13:57,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:13:57,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 212 states and 396 transitions. [2018-11-18 12:13:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 396 transitions. [2018-11-18 12:13:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:13:57,479 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:57,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 215 states and 401 transitions. [2018-11-18 12:13:57,603 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 401 transitions. [2018-11-18 12:13:57,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:13:57,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 216 states and 402 transitions. [2018-11-18 12:13:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 402 transitions. [2018-11-18 12:13:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:13:57,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:13:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 217 states and 402 transitions. [2018-11-18 12:13:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 402 transitions. [2018-11-18 12:13:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:13:57,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:57,946 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:13:57,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:57,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 218 states and 402 transitions. [2018-11-18 12:13:57,974 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 402 transitions. [2018-11-18 12:13:57,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:13:57,975 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:58,038 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:13:58,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:58,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 219 states and 402 transitions. [2018-11-18 12:13:58,278 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 402 transitions. [2018-11-18 12:13:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 12:13:58,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 223 states and 410 transitions. [2018-11-18 12:13:58,359 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 410 transitions. [2018-11-18 12:13:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:13:58,360 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:58,416 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:13:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:58,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 224 states and 410 transitions. [2018-11-18 12:13:58,438 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 410 transitions. [2018-11-18 12:13:58,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:13:58,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:13:58,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:58,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 225 states and 410 transitions. [2018-11-18 12:13:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 410 transitions. [2018-11-18 12:13:58,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:13:58,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:13:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 226 states and 410 transitions. [2018-11-18 12:13:58,901 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 410 transitions. [2018-11-18 12:13:58,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 12:13:58,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 230 states and 418 transitions. [2018-11-18 12:13:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 418 transitions. [2018-11-18 12:13:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:13:58,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:13:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:59,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 232 states and 421 transitions. [2018-11-18 12:13:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 421 transitions. [2018-11-18 12:13:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:13:59,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:13:59,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 233 states and 421 transitions. [2018-11-18 12:13:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 421 transitions. [2018-11-18 12:13:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:13:59,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:13:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 234 states and 421 transitions. [2018-11-18 12:13:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 421 transitions. [2018-11-18 12:13:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:13:59,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:13:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:13:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:13:59,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 238 states and 429 transitions. [2018-11-18 12:13:59,965 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 429 transitions. [2018-11-18 12:13:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 12:13:59,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:13:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:00,052 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:14:00,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 240 states and 432 transitions. [2018-11-18 12:14:00,378 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 432 transitions. [2018-11-18 12:14:00,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 12:14:00,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 12:14:00,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:00,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 241 states and 433 transitions. [2018-11-18 12:14:00,922 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 433 transitions. [2018-11-18 12:14:00,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 12:14:00,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:14:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 244 states and 438 transitions. [2018-11-18 12:14:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 438 transitions. [2018-11-18 12:14:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:14:01,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:14:01,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:01,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 245 states and 439 transitions. [2018-11-18 12:14:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 439 transitions. [2018-11-18 12:14:01,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:14:01,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:14:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 246 states and 439 transitions. [2018-11-18 12:14:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 439 transitions. [2018-11-18 12:14:01,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:14:01,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:01,331 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:14:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 247 states and 440 transitions. [2018-11-18 12:14:01,483 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 440 transitions. [2018-11-18 12:14:01,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:14:01,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:01,525 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:14:01,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 250 states and 445 transitions. [2018-11-18 12:14:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 445 transitions. [2018-11-18 12:14:01,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:14:01,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:14:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 253 states and 449 transitions. [2018-11-18 12:14:01,806 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 449 transitions. [2018-11-18 12:14:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:14:01,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:14:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 255 states and 450 transitions. [2018-11-18 12:14:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 450 transitions. [2018-11-18 12:14:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:14:02,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:02,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:14:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 258 states and 455 transitions. [2018-11-18 12:14:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 455 transitions. [2018-11-18 12:14:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:14:02,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:14:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 262 states and 468 transitions. [2018-11-18 12:14:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 468 transitions. [2018-11-18 12:14:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:14:03,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:14:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 262 states and 467 transitions. [2018-11-18 12:14:03,897 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 467 transitions. [2018-11-18 12:14:03,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:14:03,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:04,076 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:14:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:04,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 263 states and 467 transitions. [2018-11-18 12:14:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 467 transitions. [2018-11-18 12:14:04,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 12:14:04,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:14:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 265 states and 469 transitions. [2018-11-18 12:14:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 469 transitions. [2018-11-18 12:14:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:14:05,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:05,221 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:14:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:05,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 267 states and 470 transitions. [2018-11-18 12:14:05,781 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 470 transitions. [2018-11-18 12:14:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:14:05,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 12:14:05,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:05,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 267 states and 469 transitions. [2018-11-18 12:14:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 469 transitions. [2018-11-18 12:14:05,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:14:05,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:14:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:06,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 270 states and 473 transitions. [2018-11-18 12:14:06,214 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 473 transitions. [2018-11-18 12:14:06,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:14:06,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:14:06,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 271 states and 473 transitions. [2018-11-18 12:14:06,278 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 473 transitions. [2018-11-18 12:14:06,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 12:14:06,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:06,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:14:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 273 states and 474 transitions. [2018-11-18 12:14:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 474 transitions. [2018-11-18 12:14:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:14:06,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:14:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 278 states and 481 transitions. [2018-11-18 12:14:07,083 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 481 transitions. [2018-11-18 12:14:07,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:14:07,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:14:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 283 states and 488 transitions. [2018-11-18 12:14:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 488 transitions. [2018-11-18 12:14:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:14:07,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:14:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 288 states and 495 transitions. [2018-11-18 12:14:07,247 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 495 transitions. [2018-11-18 12:14:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:14:07,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:14:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:07,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 290 states and 501 transitions. [2018-11-18 12:14:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 501 transitions. [2018-11-18 12:14:07,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:14:07,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:14:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 291 states and 503 transitions. [2018-11-18 12:14:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 503 transitions. [2018-11-18 12:14:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:14:08,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:14:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 292 states and 505 transitions. [2018-11-18 12:14:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 505 transitions. [2018-11-18 12:14:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:14:08,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:14:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:08,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 296 states and 510 transitions. [2018-11-18 12:14:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 510 transitions. [2018-11-18 12:14:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:14:08,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:08,805 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:14:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 300 states and 515 transitions. [2018-11-18 12:14:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 515 transitions. [2018-11-18 12:14:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 12:14:08,849 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:14:09,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:09,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 305 states and 522 transitions. [2018-11-18 12:14:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 522 transitions. [2018-11-18 12:14:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:14:09,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:14:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 306 states and 524 transitions. [2018-11-18 12:14:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 524 transitions. [2018-11-18 12:14:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:14:09,730 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:14:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:09,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 310 states and 529 transitions. [2018-11-18 12:14:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 529 transitions. [2018-11-18 12:14:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:14:09,832 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:14:10,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 315 states and 536 transitions. [2018-11-18 12:14:10,700 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 536 transitions. [2018-11-18 12:14:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 12:14:10,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:10,759 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 12:14:11,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 320 states and 543 transitions. [2018-11-18 12:14:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 543 transitions. [2018-11-18 12:14:11,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:14:11,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:14:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:12,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 327 states and 556 transitions. [2018-11-18 12:14:12,722 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 556 transitions. [2018-11-18 12:14:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:14:12,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:14:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 334 states and 569 transitions. [2018-11-18 12:14:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 569 transitions. [2018-11-18 12:14:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:14:14,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:14:14,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 335 states and 571 transitions. [2018-11-18 12:14:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 571 transitions. [2018-11-18 12:14:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:14:14,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:14,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:14:15,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 342 states and 584 transitions. [2018-11-18 12:14:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 584 transitions. [2018-11-18 12:14:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:14:15,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:15,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:14:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 282 states and 478 transitions. [2018-11-18 12:14:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 478 transitions. [2018-11-18 12:14:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 12:14:17,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:14:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 219 states and 368 transitions. [2018-11-18 12:14:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 368 transitions. [2018-11-18 12:14:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:14:18,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:14:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:14:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 12:14:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:14:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 153 states and 256 transitions. [2018-11-18 12:14:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-11-18 12:14:20,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:14:20,309 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 99 iterations. [2018-11-18 12:14:20,318 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:14:20,932 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,935 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,935 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,935 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 12:14:20,939 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,940 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,941 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,941 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 12:14:20,941 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,942 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:14:20,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:14:20 ImpRootNode [2018-11-18 12:14:20,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:14:20,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:14:20,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:14:20,943 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:14:20,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:13:20" (3/4) ... [2018-11-18 12:14:20,948 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2018-11-18 12:14:20,952 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2018-11-18 12:14:20,963 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 12:14:20,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 12:14:20,965 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 12:14:20,966 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 12:14:21,080 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7491f188-fea0-440a-8711-54e16b7e93f9/bin-2019/ukojak/witness.graphml [2018-11-18 12:14:21,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:14:21,081 INFO L168 Benchmark]: Toolchain (without parser) took 91507.38 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 870.3 MB). Free memory was 950.9 MB in the beginning and 1.6 GB in the end (delta: -657.2 MB). Peak memory consumption was 213.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,082 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:14:21,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2109.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 950.9 MB in the beginning and 937.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 250.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.11 ms. Allocated memory is still 1.2 GB. Free memory was 937.7 MB in the beginning and 927.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,083 INFO L168 Benchmark]: Boogie Preprocessor took 108.90 ms. Allocated memory is still 1.2 GB. Free memory was 927.2 MB in the beginning and 921.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,083 INFO L168 Benchmark]: RCFGBuilder took 28149.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 921.9 MB in the beginning and 1.3 GB in the end (delta: -335.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,083 INFO L168 Benchmark]: CodeCheck took 60895.11 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 555.7 MB). Free memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: -389.3 MB). Peak memory consumption was 166.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,084 INFO L168 Benchmark]: Witness Printer took 137.01 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:14:21,085 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 8 procedures, 169 locations, 1 error locations. SAFE Result, 60.2s OverallTime, 99 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1589925812 SDtfs, -1946754488 SDslu, -696477552 SDs, 0 SdLazy, -934962836 SolverSat, 2042406780 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2515.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33175 GetRequests, 32761 SyntacticMatches, 52 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67910 ImplicationChecksByTransitivity, 25.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 3193 NumberOfCodeBlocks, 3193 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 3095 ConstructedInterpolants, 0 QuantifiedInterpolants, 252159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 91 PerfectInterpolantSequences, 1231/1264 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: 7759]: 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: 7416]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7621]: Loop Invariant Derived loop invariant: (((!(1 == ldv_state_variable_1) || !(1 == ldv_mutex_cred_guard_mutex_of_signal_struct)) || !(0 == ldv_state_variable_0)) || !(ldv_mutex_lock == 1)) || !(1 == ldv_mutex_mutex_of_device) - InvariantResult [Line: 7266]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7298]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6762]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7630]: Loop Invariant Derived loop invariant: (((!(1 == ldv_mutex_cred_guard_mutex_of_signal_struct) || !(1 == ldv_state_variable_1)) || !(ldv_mutex_lock == 1)) || !(0 == ldv_state_variable_0)) || !(1 == ldv_mutex_mutex_of_device) - InvariantResult [Line: 6553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6713]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7449]: 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2109.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 950.9 MB in the beginning and 937.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 250.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.11 ms. Allocated memory is still 1.2 GB. Free memory was 937.7 MB in the beginning and 927.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.90 ms. Allocated memory is still 1.2 GB. Free memory was 927.2 MB in the beginning and 921.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 28149.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 921.9 MB in the beginning and 1.3 GB in the end (delta: -335.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 11.5 GB. * CodeCheck took 60895.11 ms. Allocated memory was 1.3 GB in the beginning and 1.9 GB in the end (delta: 555.7 MB). Free memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: -389.3 MB). Peak memory consumption was 166.5 MB. Max. memory is 11.5 GB. * Witness Printer took 137.01 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...