./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/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_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/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-aa41828 [2018-11-22 21:57:36,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:57:36,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:57:36,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:57:36,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:57:36,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:57:36,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:57:36,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:57:36,851 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:57:36,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:57:36,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:57:36,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:57:36,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:57:36,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:57:36,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:57:36,855 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:57:36,855 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:57:36,856 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:57:36,858 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:57:36,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:57:36,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:57:36,860 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:57:36,862 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:57:36,862 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:57:36,862 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:57:36,863 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:57:36,864 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:57:36,864 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:57:36,865 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:57:36,865 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:57:36,866 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:57:36,866 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:57:36,866 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:57:36,866 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:57:36,867 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:57:36,868 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:57:36,868 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-11-22 21:57:36,878 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:57:36,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:57:36,879 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:57:36,879 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:57:36,879 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:57:36,880 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:57:36,880 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:57:36,880 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:57:36,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:57:36,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:57:36,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:57:36,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:57:36,881 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:57:36,881 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:57:36,881 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:57:36,881 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:57:36,881 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:57:36,881 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:57:36,881 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:57:36,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:57:36,882 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:57:36,882 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:57:36,882 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:57:36,882 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:57:36,882 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:57:36,882 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:57:36,883 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:57:36,883 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_3df4ca38-89cf-4147-be37-f0bf88e23bd7/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 [2018-11-22 21:57:36,907 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:57:36,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:57:36,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:57:36,919 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:57:36,920 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:57:36,920 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 21:57:36,965 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/data/016809f2c/2abbeae0d5c840118a65060c8ec53b09/FLAG41aa01728 [2018-11-22 21:57:37,424 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:57:37,425 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--hid--hid-axff.ko-entry_point_true-unreach-call.cil.out.c [2018-11-22 21:57:37,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/data/016809f2c/2abbeae0d5c840118a65060c8ec53b09/FLAG41aa01728 [2018-11-22 21:57:37,751 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/data/016809f2c/2abbeae0d5c840118a65060c8ec53b09 [2018-11-22 21:57:37,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:57:37,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:57:37,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:57:37,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:57:37,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:57:37,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:37" (1/1) ... [2018-11-22 21:57:37,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfae65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:37, skipping insertion in model container [2018-11-22 21:57:37,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:57:37" (1/1) ... [2018-11-22 21:57:37,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:57:37,820 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:57:38,059 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2388] [2018-11-22 21:57:38,059 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2389-2390] [2018-11-22 21:57:38,290 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:57:38,303 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:57:38,360 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2388] [2018-11-22 21:57:38,360 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2389-2390] [2018-11-22 21:57:38,398 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:57:38,426 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:57:38,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38 WrapperNode [2018-11-22 21:57:38,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:57:38,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:57:38,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:57:38,427 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:57:38,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:57:38,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:57:38,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:57:38,483 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:57:38,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... [2018-11-22 21:57:38,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:57:38,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:57:38,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:57:38,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:57:38,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:57:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/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 [2018-11-22 21:57:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2018-11-22 21:57:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2018-11-22 21:57:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-22 21:57:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:57:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2018-11-22 21:57:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2018-11-22 21:57:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-22 21:57:38,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-22 21:57:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-22 21:57:38,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:57:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2018-11-22 21:57:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2018-11-22 21:57:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-22 21:57:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure hid_connect [2018-11-22 21:57:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2018-11-22 21:57:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2018-11-22 21:57:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure ax_remove [2018-11-22 21:57:38,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ax_remove [2018-11-22 21:57:38,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-11-22 21:57:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2018-11-22 21:57:38,575 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_register_driver [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2018-11-22 21:57:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-22 21:57:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure __hid_request [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure hid_unregister_driver [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure hid_disconnect [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure hid_open_report [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-22 21:57:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-22 21:57:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:57:38,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:57:39,591 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:57:39,591 INFO L280 CfgBuilder]: Removed 30 assue(true) statements. [2018-11-22 21:57:39,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:39 BoogieIcfgContainer [2018-11-22 21:57:39,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:57:39,592 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:57:39,592 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:57:39,599 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:57:39,599 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:39" (1/1) ... [2018-11-22 21:57:39,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:57:39,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 82 states and 112 transitions. [2018-11-22 21:57:39,638 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2018-11-22 21:57:39,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-22 21:57:39,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-11-22 21:57:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-11-22 21:57:39,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-22 21:57:39,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:39,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 139 transitions. [2018-11-22 21:57:40,069 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 139 transitions. [2018-11-22 21:57:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-22 21:57:40,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:40,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 87 states and 135 transitions. [2018-11-22 21:57:40,172 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 135 transitions. [2018-11-22 21:57:40,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-22 21:57:40,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:57:40,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 91 states and 142 transitions. [2018-11-22 21:57:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 142 transitions. [2018-11-22 21:57:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 21:57:40,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:57:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 92 states and 142 transitions. [2018-11-22 21:57:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 142 transitions. [2018-11-22 21:57:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-22 21:57:40,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2018-11-22 21:57:40,392 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2018-11-22 21:57:40,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-22 21:57:40,393 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 94 states and 143 transitions. [2018-11-22 21:57:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 143 transitions. [2018-11-22 21:57:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-22 21:57:40,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 95 states and 144 transitions. [2018-11-22 21:57:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 144 transitions. [2018-11-22 21:57:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-22 21:57:40,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:57:40,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:40,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2018-11-22 21:57:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-11-22 21:57:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:57:40,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:57:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 129 states and 228 transitions. [2018-11-22 21:57:41,349 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2018-11-22 21:57:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-22 21:57:41,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:41,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 131 states and 230 transitions. [2018-11-22 21:57:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 230 transitions. [2018-11-22 21:57:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:57:41,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:57:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 132 states and 230 transitions. [2018-11-22 21:57:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2018-11-22 21:57:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-22 21:57:41,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-22 21:57:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 133 states and 230 transitions. [2018-11-22 21:57:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 230 transitions. [2018-11-22 21:57:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-22 21:57:41,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:57:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 135 states and 232 transitions. [2018-11-22 21:57:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 232 transitions. [2018-11-22 21:57:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-22 21:57:41,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,661 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:57:41,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 136 states and 232 transitions. [2018-11-22 21:57:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 232 transitions. [2018-11-22 21:57:41,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:57:41,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 234 transitions. [2018-11-22 21:57:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 234 transitions. [2018-11-22 21:57:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-22 21:57:41,728 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:41,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:57:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 140 states and 241 transitions. [2018-11-22 21:57:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 241 transitions. [2018-11-22 21:57:42,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:57:42,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 246 transitions. [2018-11-22 21:57:42,142 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2018-11-22 21:57:42,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:57:42,143 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-22 21:57:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 159 states and 286 transitions. [2018-11-22 21:57:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 286 transitions. [2018-11-22 21:57:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:57:43,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-22 21:57:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 160 states and 286 transitions. [2018-11-22 21:57:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 286 transitions. [2018-11-22 21:57:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:57:43,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:57:43,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 167 states and 305 transitions. [2018-11-22 21:57:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 305 transitions. [2018-11-22 21:57:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:57:43,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:43,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 168 states and 307 transitions. [2018-11-22 21:57:43,447 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 307 transitions. [2018-11-22 21:57:43,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:57:43,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:57:43,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 167 states and 296 transitions. [2018-11-22 21:57:43,550 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 296 transitions. [2018-11-22 21:57:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:57:43,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:57:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 170 states and 300 transitions. [2018-11-22 21:57:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 300 transitions. [2018-11-22 21:57:43,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:57:43,650 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 21:57:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 174 states and 305 transitions. [2018-11-22 21:57:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 305 transitions. [2018-11-22 21:57:43,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-22 21:57:43,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:57:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 179 states and 315 transitions. [2018-11-22 21:57:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 315 transitions. [2018-11-22 21:57:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-22 21:57:44,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:57:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:44,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 183 states and 323 transitions. [2018-11-22 21:57:44,801 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 323 transitions. [2018-11-22 21:57:44,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:57:44,802 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:57:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 186 states and 329 transitions. [2018-11-22 21:57:44,860 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 329 transitions. [2018-11-22 21:57:44,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:57:44,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:45,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 188 states and 334 transitions. [2018-11-22 21:57:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 334 transitions. [2018-11-22 21:57:45,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-22 21:57:45,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 190 states and 341 transitions. [2018-11-22 21:57:45,181 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 341 transitions. [2018-11-22 21:57:45,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:57:45,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:45,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 192 states and 346 transitions. [2018-11-22 21:57:45,592 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 346 transitions. [2018-11-22 21:57:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:57:45,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:45,615 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 192 states and 344 transitions. [2018-11-22 21:57:45,724 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 344 transitions. [2018-11-22 21:57:45,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-22 21:57:45,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 21:57:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:45,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 194 states and 346 transitions. [2018-11-22 21:57:45,872 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 346 transitions. [2018-11-22 21:57:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-22 21:57:45,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:45,915 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:57:46,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:46,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 196 states and 348 transitions. [2018-11-22 21:57:46,005 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 348 transitions. [2018-11-22 21:57:46,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 21:57:46,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:57:46,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:46,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 197 states and 349 transitions. [2018-11-22 21:57:46,339 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 349 transitions. [2018-11-22 21:57:46,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-22 21:57:46,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:46,370 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 204 states and 364 transitions. [2018-11-22 21:57:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 364 transitions. [2018-11-22 21:57:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:57:46,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 372 transitions. [2018-11-22 21:57:46,751 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 372 transitions. [2018-11-22 21:57:46,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:57:46,752 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:46,776 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:57:46,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 213 states and 379 transitions. [2018-11-22 21:57:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 379 transitions. [2018-11-22 21:57:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:57:46,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:46,975 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:57:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 217 states and 386 transitions. [2018-11-22 21:57:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 386 transitions. [2018-11-22 21:57:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-22 21:57:47,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:57:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 220 states and 391 transitions. [2018-11-22 21:57:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 391 transitions. [2018-11-22 21:57:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 21:57:47,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:48,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 226 states and 408 transitions. [2018-11-22 21:57:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 408 transitions. [2018-11-22 21:57:48,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-22 21:57:48,014 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,054 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-22 21:57:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:48,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 228 states and 410 transitions. [2018-11-22 21:57:48,076 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 410 transitions. [2018-11-22 21:57:48,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-22 21:57:48,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,115 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:57:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 231 states and 413 transitions. [2018-11-22 21:57:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 413 transitions. [2018-11-22 21:57:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 21:57:48,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:48,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:48,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 233 states and 415 transitions. [2018-11-22 21:57:48,524 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 415 transitions. [2018-11-22 21:57:48,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-22 21:57:48,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:57:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 235 states and 417 transitions. [2018-11-22 21:57:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 417 transitions. [2018-11-22 21:57:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 21:57:48,747 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,784 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-22 21:57:48,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:48,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 237 states and 419 transitions. [2018-11-22 21:57:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 419 transitions. [2018-11-22 21:57:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-22 21:57:48,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:49,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 235 states and 413 transitions. [2018-11-22 21:57:49,042 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 413 transitions. [2018-11-22 21:57:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:57:49,043 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 243 states and 437 transitions. [2018-11-22 21:57:49,449 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2018-11-22 21:57:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-22 21:57:49,450 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:57:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:49,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 246 states and 439 transitions. [2018-11-22 21:57:49,666 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 439 transitions. [2018-11-22 21:57:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-22 21:57:49,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:49,694 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 251 states and 447 transitions. [2018-11-22 21:57:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 447 transitions. [2018-11-22 21:57:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:57:49,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 257 states and 462 transitions. [2018-11-22 21:57:50,245 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 462 transitions. [2018-11-22 21:57:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:57:50,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 261 states and 469 transitions. [2018-11-22 21:57:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 469 transitions. [2018-11-22 21:57:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:57:50,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 21:57:50,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:50,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 260 states and 467 transitions. [2018-11-22 21:57:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 467 transitions. [2018-11-22 21:57:50,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 21:57:50,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:50,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 263 states and 472 transitions. [2018-11-22 21:57:50,817 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 472 transitions. [2018-11-22 21:57:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 21:57:50,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:50,855 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 268 states and 479 transitions. [2018-11-22 21:57:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 479 transitions. [2018-11-22 21:57:51,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-22 21:57:51,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 270 states and 481 transitions. [2018-11-22 21:57:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 481 transitions. [2018-11-22 21:57:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-22 21:57:51,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 21:57:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 270 states and 480 transitions. [2018-11-22 21:57:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 480 transitions. [2018-11-22 21:57:51,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-22 21:57:51,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-22 21:57:51,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 273 states and 484 transitions. [2018-11-22 21:57:51,402 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 484 transitions. [2018-11-22 21:57:51,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-22 21:57:51,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 21:57:51,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 275 states and 493 transitions. [2018-11-22 21:57:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 493 transitions. [2018-11-22 21:57:51,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-22 21:57:51,718 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 277 states and 495 transitions. [2018-11-22 21:57:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 495 transitions. [2018-11-22 21:57:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-22 21:57:51,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,793 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 278 states and 495 transitions. [2018-11-22 21:57:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 495 transitions. [2018-11-22 21:57:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-22 21:57:51,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 21:57:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 278 states and 494 transitions. [2018-11-22 21:57:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 494 transitions. [2018-11-22 21:57:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-22 21:57:51,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:52,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 283 states and 508 transitions. [2018-11-22 21:57:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 508 transitions. [2018-11-22 21:57:52,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-22 21:57:52,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:52,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 284 states and 508 transitions. [2018-11-22 21:57:52,337 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 508 transitions. [2018-11-22 21:57:52,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-22 21:57:52,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 287 states and 513 transitions. [2018-11-22 21:57:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 513 transitions. [2018-11-22 21:57:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 21:57:52,575 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:53,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 293 states and 527 transitions. [2018-11-22 21:57:53,100 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 527 transitions. [2018-11-22 21:57:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-22 21:57:53,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,141 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-22 21:57:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 295 states and 529 transitions. [2018-11-22 21:57:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 529 transitions. [2018-11-22 21:57:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-22 21:57:53,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 298 states and 534 transitions. [2018-11-22 21:57:53,352 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 534 transitions. [2018-11-22 21:57:53,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-22 21:57:53,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-22 21:57:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 303 states and 542 transitions. [2018-11-22 21:57:53,710 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 542 transitions. [2018-11-22 21:57:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-22 21:57:53,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 304 states and 543 transitions. [2018-11-22 21:57:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 543 transitions. [2018-11-22 21:57:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-22 21:57:53,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,774 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 307 states and 548 transitions. [2018-11-22 21:57:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 548 transitions. [2018-11-22 21:57:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-22 21:57:53,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 21:57:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 310 states and 552 transitions. [2018-11-22 21:57:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 552 transitions. [2018-11-22 21:57:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-22 21:57:53,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 21:57:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:53,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 312 states and 554 transitions. [2018-11-22 21:57:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 554 transitions. [2018-11-22 21:57:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-22 21:57:53,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-22 21:57:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 313 states and 554 transitions. [2018-11-22 21:57:54,034 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 554 transitions. [2018-11-22 21:57:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-22 21:57:54,035 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 21:57:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 314 states and 554 transitions. [2018-11-22 21:57:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 554 transitions. [2018-11-22 21:57:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-22 21:57:54,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-22 21:57:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:54,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 316 states and 556 transitions. [2018-11-22 21:57:54,199 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 556 transitions. [2018-11-22 21:57:54,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-22 21:57:54,200 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-22 21:57:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:54,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 319 states and 565 transitions. [2018-11-22 21:57:54,411 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 565 transitions. [2018-11-22 21:57:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-22 21:57:54,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-22 21:57:54,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 322 states and 568 transitions. [2018-11-22 21:57:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 568 transitions. [2018-11-22 21:57:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-22 21:57:54,598 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 21:57:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 339 states and 603 transitions. [2018-11-22 21:57:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 603 transitions. [2018-11-22 21:57:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-22 21:57:55,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 342 states and 608 transitions. [2018-11-22 21:57:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 608 transitions. [2018-11-22 21:57:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 21:57:55,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-22 21:57:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 343 states and 608 transitions. [2018-11-22 21:57:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 608 transitions. [2018-11-22 21:57:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 21:57:55,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 344 states and 609 transitions. [2018-11-22 21:57:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 609 transitions. [2018-11-22 21:57:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-22 21:57:55,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 21:57:55,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 346 states and 611 transitions. [2018-11-22 21:57:55,406 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 611 transitions. [2018-11-22 21:57:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-22 21:57:55,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 21:57:55,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 349 states and 616 transitions. [2018-11-22 21:57:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 616 transitions. [2018-11-22 21:57:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-22 21:57:55,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 21:57:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 352 states and 619 transitions. [2018-11-22 21:57:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 619 transitions. [2018-11-22 21:57:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-22 21:57:55,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-22 21:57:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 356 states and 624 transitions. [2018-11-22 21:57:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 624 transitions. [2018-11-22 21:57:55,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-22 21:57:55,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-22 21:57:55,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 358 states and 626 transitions. [2018-11-22 21:57:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 626 transitions. [2018-11-22 21:57:55,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-22 21:57:55,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,806 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-22 21:57:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 359 states and 626 transitions. [2018-11-22 21:57:55,816 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 626 transitions. [2018-11-22 21:57:55,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-22 21:57:55,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 21:57:56,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 363 states and 631 transitions. [2018-11-22 21:57:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 631 transitions. [2018-11-22 21:57:56,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-22 21:57:56,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-22 21:57:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 364 states and 631 transitions. [2018-11-22 21:57:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 631 transitions. [2018-11-22 21:57:56,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-22 21:57:56,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 21:57:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 366 states and 633 transitions. [2018-11-22 21:57:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 633 transitions. [2018-11-22 21:57:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-22 21:57:56,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-22 21:57:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 368 states and 635 transitions. [2018-11-22 21:57:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 635 transitions. [2018-11-22 21:57:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-22 21:57:56,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-22 21:57:56,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 370 states and 636 transitions. [2018-11-22 21:57:56,283 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 636 transitions. [2018-11-22 21:57:56,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-22 21:57:56,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-22 21:57:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 371 states and 637 transitions. [2018-11-22 21:57:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 637 transitions. [2018-11-22 21:57:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-22 21:57:56,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-22 21:57:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 373 states and 639 transitions. [2018-11-22 21:57:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 639 transitions. [2018-11-22 21:57:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 21:57:56,456 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 21:57:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 376 states and 644 transitions. [2018-11-22 21:57:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 644 transitions. [2018-11-22 21:57:56,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 21:57:56,520 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 21:57:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 377 states and 645 transitions. [2018-11-22 21:57:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 645 transitions. [2018-11-22 21:57:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 21:57:56,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:57:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:57:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-22 21:57:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:57:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 215 states and 337 transitions. [2018-11-22 21:57:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 337 transitions. [2018-11-22 21:57:56,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:57:56,639 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 99 iterations. [2018-11-22 21:57:56,645 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 21:57:57,030 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,032 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-22 21:57:57,035 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,035 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,035 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,036 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:57:57,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:57:57 ImpRootNode [2018-11-22 21:57:57,037 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:57:57,038 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:57:57,038 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:57:57,038 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:57:57,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:57:39" (3/4) ... [2018-11-22 21:57:57,041 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:57:57,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-11-22 21:57:57,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_request [2018-11-22 21:57:57,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2018-11-22 21:57:57,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-11-22 21:57:57,046 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-11-22 21:57:57,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_stop [2018-11-22 21:57:57,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ax_remove [2018-11-22 21:57:57,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2018-11-22 21:57:57,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure hid_hw_close [2018-11-22 21:57:57,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~int [2018-11-22 21:57:57,055 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-11-22 21:57:57,055 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 21:57:57,056 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-22 21:57:57,056 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:57:57,057 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:57:57,157 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3df4ca38-89cf-4147-be37-f0bf88e23bd7/bin-2019/ukojak/witness.graphml [2018-11-22 21:57:57,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:57:57,158 INFO L168 Benchmark]: Toolchain (without parser) took 19404.40 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 661.1 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 513.1 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,159 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:57:57,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,160 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,160 INFO L168 Benchmark]: Boogie Preprocessor took 39.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,160 INFO L168 Benchmark]: RCFGBuilder took 1069.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.5 MB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,160 INFO L168 Benchmark]: CodeCheck took 17445.62 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 495.5 MB). Free memory was 995.5 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 372.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,160 INFO L168 Benchmark]: Witness Printer took 119.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:57:57,162 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, 125 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 99 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -731766780 SDtfs, 305135208 SDslu, -1141560960 SDs, 0 SdLazy, 1282081944 SolverSat, 5251092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 56747 GetRequests, 56162 SyntacticMatches, 259 SemanticMatches, 326 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64901 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 6263 NumberOfCodeBlocks, 6263 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 6165 ConstructedInterpolants, 0 QuantifiedInterpolants, 751168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 98 PerfectInterpolantSequences, 3828/3828 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: 3029]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3020]: Loop Invariant Derived loop invariant: ((!(0 == ldv_spin) && ldv_state_variable_1 < 2) && !(ldv_state_variable_1 == 0)) || !(0 == ldv_state_variable_0) - InvariantResult [Line: 2785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2785]: 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: 2678]: 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) || ((!(0 == ldv_spin) && 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: 2570]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3081]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2810]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2832]: 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 671.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 953.9 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1069.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.5 MB in the end (delta: 112.6 MB). Peak memory consumption was 112.6 MB. Max. memory is 11.5 GB. * CodeCheck took 17445.62 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 495.5 MB). Free memory was 995.5 MB in the beginning and 1.1 GB in the end (delta: -122.5 MB). Peak memory consumption was 372.9 MB. Max. memory is 11.5 GB. * Witness Printer took 119.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...