./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/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 350810e197887d6ae1d952780e70288f2ceff7fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:39:04,934 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:39:04,935 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:39:04,942 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:39:04,942 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:39:04,943 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:39:04,943 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:39:04,945 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:39:04,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:39:04,946 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:39:04,947 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:39:04,947 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:39:04,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:39:04,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:39:04,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:39:04,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:39:04,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:39:04,951 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:39:04,952 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:39:04,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:39:04,954 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:39:04,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:39:04,956 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:39:04,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:39:04,957 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:39:04,957 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:39:04,958 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:39:04,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:39:04,959 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:39:04,960 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:39:04,960 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:39:04,961 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:39:04,961 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:39:04,961 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:39:04,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:39:04,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:39:04,962 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-10 10:39:04,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:39:04,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:39:04,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:39:04,973 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 10:39:04,974 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:39:04,974 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:39:04,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:39:04,974 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:39:04,974 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:39:04,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:39:04,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:39:04,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:39:04,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:39:04,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:39:04,975 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 10:39:04,975 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 10:39:04,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:39:04,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:39:04,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 10:39:04,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:39:04,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:39:04,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:39:04,976 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 10:39:04,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:39:04,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:39:04,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:39:04,977 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_fea20293-7b29-4a15-a95e-bcca7828cf48/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 -> 350810e197887d6ae1d952780e70288f2ceff7fd [2018-11-10 10:39:04,998 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:39:05,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:39:05,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:39:05,008 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:39:05,008 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:39:05,009 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 10:39:05,044 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/data/ff97b5bb5/0f85312a6cfc435481fd824569f1e0ab/FLAGc0fe37afb [2018-11-10 10:39:05,548 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:39:05,548 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point_true-unreach-call.cil.out.c [2018-11-10 10:39:05,568 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/data/ff97b5bb5/0f85312a6cfc435481fd824569f1e0ab/FLAGc0fe37afb [2018-11-10 10:39:05,577 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/data/ff97b5bb5/0f85312a6cfc435481fd824569f1e0ab [2018-11-10 10:39:05,579 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:39:05,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:39:05,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:39:05,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:39:05,582 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:39:05,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:39:05" (1/1) ... [2018-11-10 10:39:05,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c657975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:05, skipping insertion in model container [2018-11-10 10:39:05,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:39:05" (1/1) ... [2018-11-10 10:39:05,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:39:05,630 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:39:05,845 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2388] [2018-11-10 10:39:05,845 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2389-2390] [2018-11-10 10:39:06,157 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:39:06,173 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:39:06,222 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2388] [2018-11-10 10:39:06,222 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2389-2390] [2018-11-10 10:39:06,307 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:39:06,335 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:39:06,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06 WrapperNode [2018-11-10 10:39:06,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:39:06,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:39:06,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:39:06,336 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:39:06,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:39:06,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:39:06,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:39:06,388 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:39:06,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... [2018-11-10 10:39:06,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:39:06,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:39:06,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:39:06,425 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:39:06,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:39:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/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 [2018-11-10 10:39:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2018-11-10 10:39:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2018-11-10 10:39:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 10:39:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-10 10:39:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 10:39:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-10 10:39:06,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-10 10:39:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-10 10:39:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-10 10:39:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 10:39:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-10 10:39:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-10 10:39:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-10 10:39:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2018-11-10 10:39:06,476 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2018-11-10 10:39:06,476 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2018-11-10 10:39:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2018-11-10 10:39:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-10 10:39:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-10 10:39:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 10:39:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2018-11-10 10:39:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2018-11-10 10:39:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 10:39:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-10 10:39:06,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-10 10:39:06,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-10 10:39:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-10 10:39:06,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:39:06,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:39:09,396 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:39:09,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:39:09 BoogieIcfgContainer [2018-11-10 10:39:09,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:39:09,397 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 10:39:09,397 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 10:39:09,404 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 10:39:09,404 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:39:09" (1/1) ... [2018-11-10 10:39:09,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:39:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 85 states and 116 transitions. [2018-11-10 10:39:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2018-11-10 10:39:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 10:39:09,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:09,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:09,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 87 states and 127 transitions. [2018-11-10 10:39:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2018-11-10 10:39:09,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 10:39:09,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 143 transitions. [2018-11-10 10:39:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 143 transitions. [2018-11-10 10:39:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 10:39:09,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 90 states and 139 transitions. [2018-11-10 10:39:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 139 transitions. [2018-11-10 10:39:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 10:39:10,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:39:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions. [2018-11-10 10:39:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2018-11-10 10:39:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 10:39:10,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:10,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 97 states and 151 transitions. [2018-11-10 10:39:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2018-11-10 10:39:10,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 10:39:10,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 10:39:10,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 151 transitions. [2018-11-10 10:39:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2018-11-10 10:39:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 10:39:10,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 97 states and 147 transitions. [2018-11-10 10:39:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 147 transitions. [2018-11-10 10:39:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 10:39:10,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:10,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 98 states and 148 transitions. [2018-11-10 10:39:10,411 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 148 transitions. [2018-11-10 10:39:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 10:39:10,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:39:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 103 states and 163 transitions. [2018-11-10 10:39:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2018-11-10 10:39:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 10:39:10,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:39:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 105 states and 165 transitions. [2018-11-10 10:39:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 165 transitions. [2018-11-10 10:39:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 10:39:10,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 10:39:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:10,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 106 states and 165 transitions. [2018-11-10 10:39:10,724 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 165 transitions. [2018-11-10 10:39:10,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 10:39:10,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:10,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 135 states and 234 transitions. [2018-11-10 10:39:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2018-11-10 10:39:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:39:11,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 236 transitions. [2018-11-10 10:39:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2018-11-10 10:39:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 10:39:11,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:39:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 236 transitions. [2018-11-10 10:39:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 236 transitions. [2018-11-10 10:39:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:39:11,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 10:39:11,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 140 states and 243 transitions. [2018-11-10 10:39:11,730 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2018-11-10 10:39:11,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:39:11,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:11,769 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 142 states and 245 transitions. [2018-11-10 10:39:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 245 transitions. [2018-11-10 10:39:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 10:39:11,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:39:11,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 146 states and 252 transitions. [2018-11-10 10:39:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 252 transitions. [2018-11-10 10:39:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 10:39:11,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 257 transitions. [2018-11-10 10:39:11,975 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 257 transitions. [2018-11-10 10:39:11,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 10:39:11,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:39:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 149 states and 257 transitions. [2018-11-10 10:39:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 257 transitions. [2018-11-10 10:39:12,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:39:12,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:39:12,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 156 states and 274 transitions. [2018-11-10 10:39:12,351 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 274 transitions. [2018-11-10 10:39:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:39:12,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 155 states and 265 transitions. [2018-11-10 10:39:12,448 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 265 transitions. [2018-11-10 10:39:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:39:12,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:12,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 155 states and 264 transitions. [2018-11-10 10:39:12,646 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 264 transitions. [2018-11-10 10:39:12,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 10:39:12,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:12,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 156 states and 266 transitions. [2018-11-10 10:39:12,733 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 266 transitions. [2018-11-10 10:39:12,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 10:39:12,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 161 states and 277 transitions. [2018-11-10 10:39:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 277 transitions. [2018-11-10 10:39:13,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 10:39:13,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:13,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 163 states and 284 transitions. [2018-11-10 10:39:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 284 transitions. [2018-11-10 10:39:13,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 10:39:13,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:13,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 167 states and 292 transitions. [2018-11-10 10:39:13,561 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 292 transitions. [2018-11-10 10:39:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 10:39:13,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 169 states and 295 transitions. [2018-11-10 10:39:13,703 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 295 transitions. [2018-11-10 10:39:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 10:39:13,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:13,731 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:13,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 172 states and 301 transitions. [2018-11-10 10:39:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 301 transitions. [2018-11-10 10:39:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 10:39:13,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:13,782 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 10:39:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 174 states and 303 transitions. [2018-11-10 10:39:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 303 transitions. [2018-11-10 10:39:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 10:39:13,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 10:39:13,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 176 states and 306 transitions. [2018-11-10 10:39:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 306 transitions. [2018-11-10 10:39:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 10:39:13,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:14,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 181 states and 317 transitions. [2018-11-10 10:39:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 317 transitions. [2018-11-10 10:39:14,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-10 10:39:14,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:14,515 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 10:39:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 184 states and 326 transitions. [2018-11-10 10:39:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 326 transitions. [2018-11-10 10:39:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 10:39:14,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 187 states and 332 transitions. [2018-11-10 10:39:15,046 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 332 transitions. [2018-11-10 10:39:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 10:39:15,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,069 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:39:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 189 states and 334 transitions. [2018-11-10 10:39:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 334 transitions. [2018-11-10 10:39:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 10:39:15,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,105 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:39:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 193 states and 341 transitions. [2018-11-10 10:39:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 341 transitions. [2018-11-10 10:39:15,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 10:39:15,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:39:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 196 states and 343 transitions. [2018-11-10 10:39:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 343 transitions. [2018-11-10 10:39:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:39:15,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 10:39:15,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 199 states and 348 transitions. [2018-11-10 10:39:15,518 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 348 transitions. [2018-11-10 10:39:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 10:39:15,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 204 states and 356 transitions. [2018-11-10 10:39:15,553 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 356 transitions. [2018-11-10 10:39:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:39:15,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:15,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 202 states and 350 transitions. [2018-11-10 10:39:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 350 transitions. [2018-11-10 10:39:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:39:15,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,670 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-10 10:39:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 204 states and 352 transitions. [2018-11-10 10:39:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 352 transitions. [2018-11-10 10:39:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:39:15,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:15,812 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:39:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:15,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 206 states and 360 transitions. [2018-11-10 10:39:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 360 transitions. [2018-11-10 10:39:15,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-10 10:39:15,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 208 states and 363 transitions. [2018-11-10 10:39:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 363 transitions. [2018-11-10 10:39:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:39:16,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:16,332 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 214 states and 379 transitions. [2018-11-10 10:39:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 379 transitions. [2018-11-10 10:39:16,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 10:39:16,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 10:39:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 216 states and 381 transitions. [2018-11-10 10:39:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 381 transitions. [2018-11-10 10:39:16,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 10:39:16,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:39:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 218 states and 383 transitions. [2018-11-10 10:39:16,977 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 383 transitions. [2018-11-10 10:39:16,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 10:39:16,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 10:39:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 219 states and 383 transitions. [2018-11-10 10:39:17,071 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 383 transitions. [2018-11-10 10:39:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 10:39:17,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,092 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:39:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 218 states and 381 transitions. [2018-11-10 10:39:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 381 transitions. [2018-11-10 10:39:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:39:17,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 220 states and 383 transitions. [2018-11-10 10:39:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 383 transitions. [2018-11-10 10:39:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 10:39:17,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:39:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 220 states and 382 transitions. [2018-11-10 10:39:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 382 transitions. [2018-11-10 10:39:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 10:39:17,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 10:39:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:17,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 223 states and 384 transitions. [2018-11-10 10:39:17,490 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 384 transitions. [2018-11-10 10:39:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 10:39:17,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:17,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:17,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 228 states and 392 transitions. [2018-11-10 10:39:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 392 transitions. [2018-11-10 10:39:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 10:39:17,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:17,770 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:18,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 236 states and 416 transitions. [2018-11-10 10:39:18,084 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 416 transitions. [2018-11-10 10:39:18,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 10:39:18,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:18,110 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:18,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 238 states and 418 transitions. [2018-11-10 10:39:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 418 transitions. [2018-11-10 10:39:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 10:39:18,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:18,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 242 states and 426 transitions. [2018-11-10 10:39:18,317 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 426 transitions. [2018-11-10 10:39:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 10:39:18,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 248 states and 440 transitions. [2018-11-10 10:39:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 440 transitions. [2018-11-10 10:39:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:39:18,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:18,794 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 250 states and 442 transitions. [2018-11-10 10:39:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 442 transitions. [2018-11-10 10:39:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 10:39:18,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:18,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 253 states and 447 transitions. [2018-11-10 10:39:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 447 transitions. [2018-11-10 10:39:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 10:39:18,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,022 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 10:39:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 256 states and 451 transitions. [2018-11-10 10:39:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 451 transitions. [2018-11-10 10:39:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 10:39:19,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:19,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 261 states and 465 transitions. [2018-11-10 10:39:19,225 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 465 transitions. [2018-11-10 10:39:19,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 10:39:19,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 264 states and 475 transitions. [2018-11-10 10:39:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 475 transitions. [2018-11-10 10:39:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-10 10:39:19,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,603 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:39:19,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 264 states and 474 transitions. [2018-11-10 10:39:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 474 transitions. [2018-11-10 10:39:19,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 10:39:19,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:39:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 264 states and 473 transitions. [2018-11-10 10:39:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 473 transitions. [2018-11-10 10:39:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 10:39:19,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 265 states and 473 transitions. [2018-11-10 10:39:19,798 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 473 transitions. [2018-11-10 10:39:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 10:39:19,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:19,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 267 states and 475 transitions. [2018-11-10 10:39:19,839 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 475 transitions. [2018-11-10 10:39:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 10:39:19,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 10:39:20,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 284 states and 511 transitions. [2018-11-10 10:39:20,823 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 511 transitions. [2018-11-10 10:39:20,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 10:39:20,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 288 states and 521 transitions. [2018-11-10 10:39:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 521 transitions. [2018-11-10 10:39:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 10:39:21,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,190 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 10:39:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 290 states and 523 transitions. [2018-11-10 10:39:21,330 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 523 transitions. [2018-11-10 10:39:21,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 10:39:21,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,354 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 292 states and 529 transitions. [2018-11-10 10:39:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 529 transitions. [2018-11-10 10:39:21,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 10:39:21,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-10 10:39:21,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 294 states and 531 transitions. [2018-11-10 10:39:21,608 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 531 transitions. [2018-11-10 10:39:21,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 10:39:21,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,650 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 297 states and 536 transitions. [2018-11-10 10:39:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 536 transitions. [2018-11-10 10:39:21,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 10:39:21,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 300 states and 541 transitions. [2018-11-10 10:39:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 541 transitions. [2018-11-10 10:39:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 10:39:21,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,803 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:39:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 303 states and 546 transitions. [2018-11-10 10:39:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 546 transitions. [2018-11-10 10:39:21,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 10:39:21,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:21,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:21,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 304 states and 547 transitions. [2018-11-10 10:39:21,959 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 547 transitions. [2018-11-10 10:39:21,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 10:39:21,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:39:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 307 states and 551 transitions. [2018-11-10 10:39:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 551 transitions. [2018-11-10 10:39:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 10:39:22,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-10 10:39:22,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 308 states and 551 transitions. [2018-11-10 10:39:22,104 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 551 transitions. [2018-11-10 10:39:22,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 10:39:22,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,134 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 10:39:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 310 states and 553 transitions. [2018-11-10 10:39:22,144 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 553 transitions. [2018-11-10 10:39:22,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 10:39:22,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 10:39:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 312 states and 555 transitions. [2018-11-10 10:39:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 555 transitions. [2018-11-10 10:39:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-10 10:39:22,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,271 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 10:39:22,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 314 states and 557 transitions. [2018-11-10 10:39:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 557 transitions. [2018-11-10 10:39:22,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:39:22,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 317 states and 562 transitions. [2018-11-10 10:39:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 562 transitions. [2018-11-10 10:39:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 10:39:22,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:39:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 318 states and 562 transitions. [2018-11-10 10:39:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 562 transitions. [2018-11-10 10:39:22,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 10:39:22,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:39:23,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 338 states and 605 transitions. [2018-11-10 10:39:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 605 transitions. [2018-11-10 10:39:23,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 10:39:23,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:23,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 339 states and 606 transitions. [2018-11-10 10:39:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 606 transitions. [2018-11-10 10:39:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 10:39:23,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:39:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 341 states and 608 transitions. [2018-11-10 10:39:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 608 transitions. [2018-11-10 10:39:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 10:39:23,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 10:39:23,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 342 states and 608 transitions. [2018-11-10 10:39:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 608 transitions. [2018-11-10 10:39:23,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 10:39:23,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,239 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 10:39:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 345 states and 613 transitions. [2018-11-10 10:39:23,269 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 613 transitions. [2018-11-10 10:39:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-10 10:39:23,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 10:39:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 347 states and 615 transitions. [2018-11-10 10:39:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 615 transitions. [2018-11-10 10:39:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 10:39:23,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 10:39:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 350 states and 618 transitions. [2018-11-10 10:39:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 618 transitions. [2018-11-10 10:39:23,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 10:39:23,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 10:39:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 354 states and 623 transitions. [2018-11-10 10:39:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 623 transitions. [2018-11-10 10:39:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 10:39:23,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:39:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 355 states and 623 transitions. [2018-11-10 10:39:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 623 transitions. [2018-11-10 10:39:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 10:39:23,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-10 10:39:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 357 states and 625 transitions. [2018-11-10 10:39:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 625 transitions. [2018-11-10 10:39:23,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 10:39:23,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 10:39:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 361 states and 630 transitions. [2018-11-10 10:39:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 630 transitions. [2018-11-10 10:39:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 10:39:23,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-10 10:39:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 362 states and 630 transitions. [2018-11-10 10:39:23,826 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 630 transitions. [2018-11-10 10:39:23,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 10:39:23,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 10:39:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 364 states and 631 transitions. [2018-11-10 10:39:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 631 transitions. [2018-11-10 10:39:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 10:39:23,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-10 10:39:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:24,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 366 states and 633 transitions. [2018-11-10 10:39:24,012 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 633 transitions. [2018-11-10 10:39:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 10:39:24,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:24,060 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 10:39:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 367 states and 634 transitions. [2018-11-10 10:39:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 634 transitions. [2018-11-10 10:39:24,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-10 10:39:24,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-10 10:39:24,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:24,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 369 states and 636 transitions. [2018-11-10 10:39:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 636 transitions. [2018-11-10 10:39:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 10:39:24,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 10:39:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 372 states and 641 transitions. [2018-11-10 10:39:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 641 transitions. [2018-11-10 10:39:24,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 10:39:24,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:24,265 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 10:39:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 373 states and 642 transitions. [2018-11-10 10:39:24,272 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 642 transitions. [2018-11-10 10:39:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 10:39:24,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 10:39:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:39:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 10:39:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 10:39:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 218 states and 342 transitions. [2018-11-10 10:39:24,332 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 342 transitions. [2018-11-10 10:39:24,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:39:24,333 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 100 iterations. [2018-11-10 10:39:24,340 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 10:39:24,622 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,624 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 10:39:24,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,627 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,628 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 10:39:24,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 10:39:24 ImpRootNode [2018-11-10 10:39:24,629 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 10:39:24,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:39:24,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:39:24,630 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:39:24,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:39:09" (3/4) ... [2018-11-10 10:39:24,633 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:39:24,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-10 10:39:24,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2018-11-10 10:39:24,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2018-11-10 10:39:24,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-10 10:39:24,636 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-10 10:39:24,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2018-11-10 10:39:24,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ax_remove [2018-11-10 10:39:24,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2018-11-10 10:39:24,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2018-11-10 10:39:24,637 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2018-11-10 10:39:24,643 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 151 nodes and edges [2018-11-10 10:39:24,644 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-10 10:39:24,645 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 10:39:24,645 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 10:39:24,728 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fea20293-7b29-4a15-a95e-bcca7828cf48/bin-2019/ukojak/witness.graphml [2018-11-10 10:39:24,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:39:24,729 INFO L168 Benchmark]: Toolchain (without parser) took 19149.34 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 524.3 MB). Free memory was 948.4 MB in the beginning and 920.6 MB in the end (delta: 27.8 MB). Peak memory consumption was 552.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,730 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:39:24,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 755.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 948.4 MB in the beginning and 1.0 GB in the end (delta: -99.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,731 INFO L168 Benchmark]: Boogie Preprocessor took 37.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,731 INFO L168 Benchmark]: RCFGBuilder took 2971.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -25.1 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,731 INFO L168 Benchmark]: CodeCheck took 15232.25 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 388.5 MB). Free memory was 1.1 GB in the beginning and 947.3 MB in the end (delta: 117.6 MB). Peak memory consumption was 506.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,731 INFO L168 Benchmark]: Witness Printer took 98.46 ms. Allocated memory is still 1.6 GB. Free memory was 947.3 MB in the beginning and 920.6 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:39:24,733 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 11 procedures, 257 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 100 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -717979644 SDtfs, -1594145752 SDslu, -1788981952 SDs, 0 SdLazy, -1787527656 SolverSat, -2140110828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 62.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58726 GetRequests, 58159 SyntacticMatches, 279 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52113 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 6727 NumberOfCodeBlocks, 6727 NumberOfCodeBlocksAsserted, 99 NumberOfCheckSat, 6628 ConstructedInterpolants, 0 QuantifiedInterpolants, 841709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 99 InterpolantComputations, 94 PerfectInterpolantSequences, 4085/4131 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: 2567]: 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: 2958]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: !(0 == ldv_state_variable_0) || ((!(ldv_spin == 0) && ldv_state_variable_1 < 2) && !(ldv_state_variable_1 == 0)) - InvariantResult [Line: 2785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2769]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3029]: Loop Invariant Derived loop invariant: !(0 == ldv_state_variable_0) || ((!(ldv_spin == 0) && ldv_state_variable_1 < 2) && !(ldv_state_variable_1 == 0)) - InvariantResult [Line: 2971]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2971]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2880]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 755.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 948.4 MB in the beginning and 1.0 GB in the end (delta: -99.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2971.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -25.1 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. * CodeCheck took 15232.25 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 388.5 MB). Free memory was 1.1 GB in the beginning and 947.3 MB in the end (delta: 117.6 MB). Peak memory consumption was 506.1 MB. Max. memory is 11.5 GB. * Witness Printer took 98.46 ms. Allocated memory is still 1.6 GB. Free memory was 947.3 MB in the beginning and 920.6 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...