./Ultimate.py --spec ../../sv-benchmarks/c/Systems_DeviceDriversLinux64_ReachSafety.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/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-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/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 94c873f16bd85a0cccd11c4ae0d2828b5585d490 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:28:51,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:28:51,079 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:28:51,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:28:51,088 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:28:51,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:28:51,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:28:51,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:28:51,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:28:51,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:28:51,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:28:51,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:28:51,095 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:28:51,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:28:51,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:28:51,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:28:51,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:28:51,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:28:51,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:28:51,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:28:51,104 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:28:51,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:28:51,107 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:28:51,107 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:28:51,107 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:28:51,108 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:28:51,108 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:28:51,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:28:51,110 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:28:51,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:28:51,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:28:51,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:28:51,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:28:51,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:28:51,114 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:28:51,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:28:51,115 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-10-26 21:28:51,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:28:51,126 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:28:51,127 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:28:51,127 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:28:51,127 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:28:51,127 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:28:51,128 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:28:51,128 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:28:51,128 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:28:51,128 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:28:51,128 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:28:51,128 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:28:51,128 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:28:51,129 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:28:51,130 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:28:51,130 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:28:51,130 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:28:51,131 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:28:51,131 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:28:51,132 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:28:51,132 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_18f87395-3473-43f1-bb5c-7891eec92605/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 -> 94c873f16bd85a0cccd11c4ae0d2828b5585d490 [2018-10-26 21:28:51,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:28:51,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:28:51,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:28:51,172 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:28:51,172 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:28:51,173 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c [2018-10-26 21:28:51,217 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/data/f77515456/50767c4f451e439e903d191efc81cc2a/FLAGa298d2127 [2018-10-26 21:28:51,791 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:28:51,792 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-kernel--locking--locktorture.ko-entry_point_true-unreach-call.cil.out.c [2018-10-26 21:28:51,811 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/data/f77515456/50767c4f451e439e903d191efc81cc2a/FLAGa298d2127 [2018-10-26 21:28:51,823 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/data/f77515456/50767c4f451e439e903d191efc81cc2a [2018-10-26 21:28:51,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:28:51,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:28:51,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:28:51,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:28:51,832 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:28:51,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:28:51" (1/1) ... [2018-10-26 21:28:51,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f417228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:51, skipping insertion in model container [2018-10-26 21:28:51,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:28:51" (1/1) ... [2018-10-26 21:28:51,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:28:51,933 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:28:52,219 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1756] [2018-10-26 21:28:52,222 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1757-1758] [2018-10-26 21:28:52,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:28:52,601 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:28:52,779 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [1756] [2018-10-26 21:28:52,779 WARN L1126 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [1757-1758] [2018-10-26 21:28:52,887 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:28:52,935 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:28:52,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52 WrapperNode [2018-10-26 21:28:52,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:28:52,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:28:52,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:28:52,936 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:28:52,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:52,973 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:28:53,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:28:53,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:28:53,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:28:53,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... [2018-10-26 21:28:53,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:28:53,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:28:53,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:28:53,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:28:53,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:28:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/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 [2018-10-26 21:28:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2018-10-26 21:28:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-10-26 21:28:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:28:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_lock [2018-10-26 21:28:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_lock [2018-10-26 21:28:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-10-26 21:28:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-10-26 21:28:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 21:28:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2018-10-26 21:28:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2018-10-26 21:28:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2018-10-26 21:28:53,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2018-10-26 21:28:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2018-10-26 21:28:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2018-10-26 21:28:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2018-10-26 21:28:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2018-10-26 21:28:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2018-10-26 21:28:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-10-26 21:28:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2018-10-26 21:28:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2018-10-26 21:28:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 21:28:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-10-26 21:28:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-10-26 21:28:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2018-10-26 21:28:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2018-10-26 21:28:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2018-10-26 21:28:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2018-10-26 21:28:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2018-10-26 21:28:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2018-10-26 21:28:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2018-10-26 21:28:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-26 21:28:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2018-10-26 21:28:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2018-10-26 21:28:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-26 21:28:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2018-10-26 21:28:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2018-10-26 21:28:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2018-10-26 21:28:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2018-10-26 21:28:53,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 21:28:53,174 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_delay [2018-10-26 21:28:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_delay [2018-10-26 21:28:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-10-26 21:28:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-10-26 21:28:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_busted_write_unlock [2018-10-26 21:28:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_busted_write_unlock [2018-10-26 21:28:53,177 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2018-10-26 21:28:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2018-10-26 21:28:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-10-26 21:28:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-10-26 21:28:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:28:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:28:53,178 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2018-10-26 21:28:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2018-10-26 21:29:49,364 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:29:49,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:29:49 BoogieIcfgContainer [2018-10-26 21:29:49,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:29:49,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:29:49,366 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:29:49,377 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:29:49,378 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:29:49" (1/1) ... [2018-10-26 21:29:49,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:29:49,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 222 states and 327 transitions. [2018-10-26 21:29:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 327 transitions. [2018-10-26 21:29:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 21:29:49,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:49,923 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:50,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 227 states and 367 transitions. [2018-10-26 21:29:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 367 transitions. [2018-10-26 21:29:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:29:50,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:29:50,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 228 states and 368 transitions. [2018-10-26 21:29:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 368 transitions. [2018-10-26 21:29:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:29:50,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:50,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:55,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 247 states and 439 transitions. [2018-10-26 21:29:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 439 transitions. [2018-10-26 21:29:55,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:29:55,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:29:55,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 249 states and 442 transitions. [2018-10-26 21:29:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 442 transitions. [2018-10-26 21:29:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 21:29:55,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 250 states and 442 transitions. [2018-10-26 21:29:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 442 transitions. [2018-10-26 21:29:55,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:29:55,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 253 states and 476 transitions. [2018-10-26 21:29:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 476 transitions. [2018-10-26 21:29:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 21:29:56,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:56,840 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 262 states and 527 transitions. [2018-10-26 21:29:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 527 transitions. [2018-10-26 21:29:57,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:29:57,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:57,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 272 states and 546 transitions. [2018-10-26 21:29:57,435 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 546 transitions. [2018-10-26 21:29:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:29:57,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:57,723 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 271 states and 540 transitions. [2018-10-26 21:29:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 540 transitions. [2018-10-26 21:29:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:29:57,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:58,638 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 21:29:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 276 states and 576 transitions. [2018-10-26 21:29:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 576 transitions. [2018-10-26 21:29:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:29:59,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:59,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 278 states and 578 transitions. [2018-10-26 21:29:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 578 transitions. [2018-10-26 21:29:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:29:59,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:59,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:29:59,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:29:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 279 states and 579 transitions. [2018-10-26 21:29:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 579 transitions. [2018-10-26 21:29:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 21:29:59,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:29:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:29:59,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:00,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:00,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 280 states and 579 transitions. [2018-10-26 21:30:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 579 transitions. [2018-10-26 21:30:00,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:30:00,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:01,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:01,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 286 states and 616 transitions. [2018-10-26 21:30:01,147 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 616 transitions. [2018-10-26 21:30:01,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:30:01,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:01,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:01,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 285 states and 608 transitions. [2018-10-26 21:30:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 608 transitions. [2018-10-26 21:30:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:30:01,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:01,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:01,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 286 states and 609 transitions. [2018-10-26 21:30:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 609 transitions. [2018-10-26 21:30:01,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:30:01,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:01,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:02,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 288 states and 613 transitions. [2018-10-26 21:30:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 613 transitions. [2018-10-26 21:30:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:30:02,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 290 states and 619 transitions. [2018-10-26 21:30:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 619 transitions. [2018-10-26 21:30:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:30:02,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:03,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 295 states and 658 transitions. [2018-10-26 21:30:03,412 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 658 transitions. [2018-10-26 21:30:03,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 21:30:03,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:03,462 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:03,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 298 states and 664 transitions. [2018-10-26 21:30:03,939 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 664 transitions. [2018-10-26 21:30:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 21:30:03,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 300 states and 667 transitions. [2018-10-26 21:30:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 667 transitions. [2018-10-26 21:30:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:30:04,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:30:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 301 states and 667 transitions. [2018-10-26 21:30:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 667 transitions. [2018-10-26 21:30:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 21:30:04,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 302 states and 667 transitions. [2018-10-26 21:30:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 667 transitions. [2018-10-26 21:30:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:30:04,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:04,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 304 states and 672 transitions. [2018-10-26 21:30:04,714 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 672 transitions. [2018-10-26 21:30:04,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:30:04,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:06,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 309 states and 712 transitions. [2018-10-26 21:30:06,031 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 712 transitions. [2018-10-26 21:30:06,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:30:06,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:06,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:06,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 312 states and 717 transitions. [2018-10-26 21:30:06,308 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 717 transitions. [2018-10-26 21:30:06,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:30:06,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 313 states and 717 transitions. [2018-10-26 21:30:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 717 transitions. [2018-10-26 21:30:06,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:06,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 316 states and 725 transitions. [2018-10-26 21:30:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 725 transitions. [2018-10-26 21:30:07,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:07,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 319 states and 731 transitions. [2018-10-26 21:30:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 731 transitions. [2018-10-26 21:30:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:07,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:08,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 321 states and 737 transitions. [2018-10-26 21:30:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 737 transitions. [2018-10-26 21:30:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:08,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:08,746 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:30:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 326 states and 774 transitions. [2018-10-26 21:30:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 774 transitions. [2018-10-26 21:30:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:09,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:09,475 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 328 states and 776 transitions. [2018-10-26 21:30:09,980 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 776 transitions. [2018-10-26 21:30:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:09,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:10,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 329 states and 777 transitions. [2018-10-26 21:30:10,057 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 777 transitions. [2018-10-26 21:30:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:30:10,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:10,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:10,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 332 states and 780 transitions. [2018-10-26 21:30:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 780 transitions. [2018-10-26 21:30:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 21:30:10,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:10,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 334 states and 783 transitions. [2018-10-26 21:30:10,858 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 783 transitions. [2018-10-26 21:30:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 21:30:10,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:10,940 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:11,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:11,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 337 states and 786 transitions. [2018-10-26 21:30:11,064 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 786 transitions. [2018-10-26 21:30:11,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 21:30:11,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:11,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 337 states and 784 transitions. [2018-10-26 21:30:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 784 transitions. [2018-10-26 21:30:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 21:30:11,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 357 states and 848 transitions. [2018-10-26 21:30:16,563 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 848 transitions. [2018-10-26 21:30:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 21:30:16,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 358 states and 848 transitions. [2018-10-26 21:30:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 848 transitions. [2018-10-26 21:30:16,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 21:30:16,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 359 states and 848 transitions. [2018-10-26 21:30:17,029 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 848 transitions. [2018-10-26 21:30:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 21:30:17,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:20,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 378 states and 909 transitions. [2018-10-26 21:30:20,924 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 909 transitions. [2018-10-26 21:30:20,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 21:30:20,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:20,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 379 states and 909 transitions. [2018-10-26 21:30:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 909 transitions. [2018-10-26 21:30:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 21:30:20,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:21,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 380 states and 909 transitions. [2018-10-26 21:30:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 909 transitions. [2018-10-26 21:30:21,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 21:30:21,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:27,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 403 states and 981 transitions. [2018-10-26 21:30:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 981 transitions. [2018-10-26 21:30:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 21:30:27,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 407 states and 997 transitions. [2018-10-26 21:30:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 997 transitions. [2018-10-26 21:30:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 21:30:27,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:27,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 408 states and 997 transitions. [2018-10-26 21:30:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 997 transitions. [2018-10-26 21:30:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 21:30:27,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 409 states and 997 transitions. [2018-10-26 21:30:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 997 transitions. [2018-10-26 21:30:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 21:30:28,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:28,117 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 411 states and 1000 transitions. [2018-10-26 21:30:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1000 transitions. [2018-10-26 21:30:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 21:30:28,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 433 states and 1070 transitions. [2018-10-26 21:30:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1070 transitions. [2018-10-26 21:30:34,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 21:30:34,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:34,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:34,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 434 states and 1070 transitions. [2018-10-26 21:30:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1070 transitions. [2018-10-26 21:30:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 21:30:34,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:34,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 435 states and 1070 transitions. [2018-10-26 21:30:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1070 transitions. [2018-10-26 21:30:34,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-26 21:30:34,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 444 states and 1088 transitions. [2018-10-26 21:30:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1088 transitions. [2018-10-26 21:30:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 21:30:36,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:36,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:36,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 446 states and 1091 transitions. [2018-10-26 21:30:36,300 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 1091 transitions. [2018-10-26 21:30:36,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 21:30:36,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 448 states and 1094 transitions. [2018-10-26 21:30:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 1094 transitions. [2018-10-26 21:30:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 21:30:36,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 450 states and 1097 transitions. [2018-10-26 21:30:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 1097 transitions. [2018-10-26 21:30:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 21:30:37,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:37,263 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:30:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 451 states and 1097 transitions. [2018-10-26 21:30:37,383 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1097 transitions. [2018-10-26 21:30:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 21:30:37,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:37,427 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 453 states and 1100 transitions. [2018-10-26 21:30:37,494 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1100 transitions. [2018-10-26 21:30:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 21:30:37,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:37,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:37,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 455 states and 1103 transitions. [2018-10-26 21:30:37,669 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1103 transitions. [2018-10-26 21:30:37,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 21:30:37,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:37,714 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 457 states and 1106 transitions. [2018-10-26 21:30:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1106 transitions. [2018-10-26 21:30:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 21:30:38,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:38,179 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:30:38,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:38,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 458 states and 1108 transitions. [2018-10-26 21:30:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1108 transitions. [2018-10-26 21:30:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 21:30:38,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:38,558 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:30:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:38,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 459 states and 1108 transitions. [2018-10-26 21:30:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1108 transitions. [2018-10-26 21:30:38,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 21:30:38,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 461 states and 1111 transitions. [2018-10-26 21:30:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1111 transitions. [2018-10-26 21:30:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 21:30:38,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 463 states and 1114 transitions. [2018-10-26 21:30:39,106 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1114 transitions. [2018-10-26 21:30:39,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 21:30:39,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:30:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 464 states and 1114 transitions. [2018-10-26 21:30:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 1114 transitions. [2018-10-26 21:30:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 21:30:39,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 466 states and 1117 transitions. [2018-10-26 21:30:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 1117 transitions. [2018-10-26 21:30:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-26 21:30:39,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:39,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:39,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 468 states and 1120 transitions. [2018-10-26 21:30:39,359 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1120 transitions. [2018-10-26 21:30:39,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 21:30:39,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 470 states and 1123 transitions. [2018-10-26 21:30:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1123 transitions. [2018-10-26 21:30:39,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-26 21:30:39,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:39,484 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:30:40,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 480 states and 1169 transitions. [2018-10-26 21:30:40,332 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1169 transitions. [2018-10-26 21:30:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-26 21:30:40,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:40,374 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 482 states and 1171 transitions. [2018-10-26 21:30:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1171 transitions. [2018-10-26 21:30:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 21:30:40,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:40,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:40,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 484 states and 1174 transitions. [2018-10-26 21:30:40,467 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1174 transitions. [2018-10-26 21:30:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 21:30:40,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:40,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 485 states and 1175 transitions. [2018-10-26 21:30:40,517 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 1175 transitions. [2018-10-26 21:30:40,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 21:30:40,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:40,563 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 487 states and 1178 transitions. [2018-10-26 21:30:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 1178 transitions. [2018-10-26 21:30:40,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 21:30:40,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:40,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 490 states and 1183 transitions. [2018-10-26 21:30:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 1183 transitions. [2018-10-26 21:30:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 21:30:40,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:41,654 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:30:43,997 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:30:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 491 states and 1183 transitions. [2018-10-26 21:30:44,026 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 1183 transitions. [2018-10-26 21:30:44,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 21:30:44,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 493 states and 1187 transitions. [2018-10-26 21:30:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 1187 transitions. [2018-10-26 21:30:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:30:44,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:44,917 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:30:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 495 states and 1189 transitions. [2018-10-26 21:30:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1189 transitions. [2018-10-26 21:30:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 21:30:45,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:46,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 499 states and 1197 transitions. [2018-10-26 21:30:46,181 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1197 transitions. [2018-10-26 21:30:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 21:30:46,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:46,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 501 states and 1199 transitions. [2018-10-26 21:30:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1199 transitions. [2018-10-26 21:30:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 21:30:46,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 504 states and 1205 transitions. [2018-10-26 21:30:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1205 transitions. [2018-10-26 21:30:46,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 21:30:46,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:46,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:46,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 506 states and 1208 transitions. [2018-10-26 21:30:46,823 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1208 transitions. [2018-10-26 21:30:46,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:30:46,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-10-26 21:30:47,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:47,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 507 states and 1208 transitions. [2018-10-26 21:30:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1208 transitions. [2018-10-26 21:30:47,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:30:47,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:48,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 511 states and 1217 transitions. [2018-10-26 21:30:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1217 transitions. [2018-10-26 21:30:48,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:30:48,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:48,120 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:48,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 512 states and 1217 transitions. [2018-10-26 21:30:48,377 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1217 transitions. [2018-10-26 21:30:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:30:48,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:48,410 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:48,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:48,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 513 states and 1218 transitions. [2018-10-26 21:30:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1218 transitions. [2018-10-26 21:30:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:30:48,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 515 states and 1222 transitions. [2018-10-26 21:30:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1222 transitions. [2018-10-26 21:30:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:30:48,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:48,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 516 states and 1223 transitions. [2018-10-26 21:30:48,888 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1223 transitions. [2018-10-26 21:30:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 21:30:48,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 519 states and 1229 transitions. [2018-10-26 21:30:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1229 transitions. [2018-10-26 21:30:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 21:30:48,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 521 states and 1232 transitions. [2018-10-26 21:30:49,079 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1232 transitions. [2018-10-26 21:30:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:30:49,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:30:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 522 states and 1232 transitions. [2018-10-26 21:30:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1232 transitions. [2018-10-26 21:30:49,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 21:30:49,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:49,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 525 states and 1238 transitions. [2018-10-26 21:30:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1238 transitions. [2018-10-26 21:30:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 21:30:49,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,241 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 527 states and 1241 transitions. [2018-10-26 21:30:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1241 transitions. [2018-10-26 21:30:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 21:30:49,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,321 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 529 states and 1245 transitions. [2018-10-26 21:30:49,349 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1245 transitions. [2018-10-26 21:30:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 21:30:49,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 530 states and 1246 transitions. [2018-10-26 21:30:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1246 transitions. [2018-10-26 21:30:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:30:49,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:49,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 532 states and 1248 transitions. [2018-10-26 21:30:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1248 transitions. [2018-10-26 21:30:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 21:30:49,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 531 states and 1232 transitions. [2018-10-26 21:30:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1232 transitions. [2018-10-26 21:30:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 21:30:49,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:30:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 532 states and 1232 transitions. [2018-10-26 21:30:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1232 transitions. [2018-10-26 21:30:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:30:49,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:50,171 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 562 states and 1316 transitions. [2018-10-26 21:30:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1316 transitions. [2018-10-26 21:30:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:30:56,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:56,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:56,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 564 states and 1320 transitions. [2018-10-26 21:30:56,112 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1320 transitions. [2018-10-26 21:30:56,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:30:56,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:56,191 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:56,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 565 states and 1321 transitions. [2018-10-26 21:30:56,213 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1321 transitions. [2018-10-26 21:30:56,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:30:56,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 570 states and 1348 transitions. [2018-10-26 21:30:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1348 transitions. [2018-10-26 21:30:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:30:57,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:30:58,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:58,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 571 states and 1348 transitions. [2018-10-26 21:30:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1348 transitions. [2018-10-26 21:30:58,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 21:30:58,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:58,149 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:30:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 572 states and 1348 transitions. [2018-10-26 21:30:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1348 transitions. [2018-10-26 21:30:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:30:58,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:58,240 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:58,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 575 states and 1376 transitions. [2018-10-26 21:30:58,521 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1376 transitions. [2018-10-26 21:30:58,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:30:58,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:30:58,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:58,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 578 states and 1406 transitions. [2018-10-26 21:30:58,912 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1406 transitions. [2018-10-26 21:30:58,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:30:58,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:30:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 579 states and 1406 transitions. [2018-10-26 21:30:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1406 transitions. [2018-10-26 21:30:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:30:59,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 581 states and 1408 transitions. [2018-10-26 21:30:59,118 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1408 transitions. [2018-10-26 21:30:59,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:30:59,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:30:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 583 states and 1410 transitions. [2018-10-26 21:30:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1410 transitions. [2018-10-26 21:30:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:30:59,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:30:59,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:59,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 582 states and 1390 transitions. [2018-10-26 21:30:59,746 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1390 transitions. [2018-10-26 21:30:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 21:30:59,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:59,788 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 582 states and 1389 transitions. [2018-10-26 21:30:59,806 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1389 transitions. [2018-10-26 21:30:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 21:30:59,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:30:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:30:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:30:59,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 582 states and 1386 transitions. [2018-10-26 21:30:59,861 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1386 transitions. [2018-10-26 21:30:59,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:30:59,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:30:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:31:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1420 states to 581 states and 1366 transitions. [2018-10-26 21:31:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1366 transitions. [2018-10-26 21:31:00,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 21:31:00,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:00,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:31:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:31:00,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:00,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 597 states and 1391 transitions. [2018-10-26 21:31:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1391 transitions. [2018-10-26 21:31:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 21:31:00,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:00,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:31:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:31:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:00,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 599 states and 1391 transitions. [2018-10-26 21:31:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1391 transitions. [2018-10-26 21:31:00,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:00,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:03,081 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 14 [2018-10-26 21:31:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 607 states and 1441 transitions. [2018-10-26 21:31:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1441 transitions. [2018-10-26 21:31:04,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:04,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 611 states and 1468 transitions. [2018-10-26 21:31:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1468 transitions. [2018-10-26 21:31:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:05,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:05,789 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 615 states and 1494 transitions. [2018-10-26 21:31:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1494 transitions. [2018-10-26 21:31:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:06,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 617 states and 1499 transitions. [2018-10-26 21:31:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1499 transitions. [2018-10-26 21:31:06,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:06,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 619 states and 1506 transitions. [2018-10-26 21:31:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1506 transitions. [2018-10-26 21:31:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:07,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:08,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:08,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 621 states and 1507 transitions. [2018-10-26 21:31:08,142 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1507 transitions. [2018-10-26 21:31:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:08,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:08,188 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:31:08,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:08,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 621 states and 1506 transitions. [2018-10-26 21:31:08,225 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1506 transitions. [2018-10-26 21:31:08,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:08,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:31:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 621 states and 1503 transitions. [2018-10-26 21:31:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1503 transitions. [2018-10-26 21:31:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:08,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:08,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:31:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:31:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 627 states and 1512 transitions. [2018-10-26 21:31:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1512 transitions. [2018-10-26 21:31:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 21:31:08,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:31:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:09,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 634 states and 1557 transitions. [2018-10-26 21:31:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1557 transitions. [2018-10-26 21:31:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:09,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 644 states and 1613 transitions. [2018-10-26 21:31:11,930 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1613 transitions. [2018-10-26 21:31:11,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-26 21:31:11,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:12,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:31:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:31:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 646 states and 1613 transitions. [2018-10-26 21:31:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1613 transitions. [2018-10-26 21:31:12,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:12,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:12,397 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:13,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 648 states and 1632 transitions. [2018-10-26 21:31:13,400 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1632 transitions. [2018-10-26 21:31:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:13,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:13,442 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 649 states and 1636 transitions. [2018-10-26 21:31:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1636 transitions. [2018-10-26 21:31:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:13,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:13,943 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 654 states and 1662 transitions. [2018-10-26 21:31:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1662 transitions. [2018-10-26 21:31:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:15,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 656 states and 1678 transitions. [2018-10-26 21:31:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1678 transitions. [2018-10-26 21:31:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:31:15,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:15,950 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:20,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 682 states and 1762 transitions. [2018-10-26 21:31:20,733 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1762 transitions. [2018-10-26 21:31:20,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:31:20,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 684 states and 1765 transitions. [2018-10-26 21:31:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1765 transitions. [2018-10-26 21:31:21,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:21,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 691 states and 1794 transitions. [2018-10-26 21:31:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1794 transitions. [2018-10-26 21:31:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:31:22,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:31:22,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:22,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 692 states and 1794 transitions. [2018-10-26 21:31:22,669 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1794 transitions. [2018-10-26 21:31:22,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 21:31:22,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:22,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:31:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:31:22,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:22,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 694 states and 1794 transitions. [2018-10-26 21:31:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1794 transitions. [2018-10-26 21:31:22,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 21:31:22,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:22,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:31:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-26 21:31:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:23,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 696 states and 1794 transitions. [2018-10-26 21:31:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1794 transitions. [2018-10-26 21:31:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:31:23,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 706 states and 1846 transitions. [2018-10-26 21:31:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1846 transitions. [2018-10-26 21:31:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:31:25,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 708 states and 1850 transitions. [2018-10-26 21:31:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1850 transitions. [2018-10-26 21:31:26,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:31:26,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:26,600 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 718 states and 1903 transitions. [2018-10-26 21:31:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1903 transitions. [2018-10-26 21:31:29,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:31:29,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 720 states and 1906 transitions. [2018-10-26 21:31:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1906 transitions. [2018-10-26 21:31:30,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:30,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 732 states and 1984 transitions. [2018-10-26 21:31:35,236 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1984 transitions. [2018-10-26 21:31:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:35,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:36,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:36,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 737 states and 2011 transitions. [2018-10-26 21:31:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 2011 transitions. [2018-10-26 21:31:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:36,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:36,812 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 742 states and 2036 transitions. [2018-10-26 21:31:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 2036 transitions. [2018-10-26 21:31:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:39,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:40,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 747 states and 2048 transitions. [2018-10-26 21:31:40,307 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 2048 transitions. [2018-10-26 21:31:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:40,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 750 states and 2056 transitions. [2018-10-26 21:31:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 2056 transitions. [2018-10-26 21:31:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 21:31:40,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:40,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:31:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 760 states and 2101 transitions. [2018-10-26 21:31:44,429 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 2101 transitions. [2018-10-26 21:31:44,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 21:31:44,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:31:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 779 states and 2156 transitions. [2018-10-26 21:31:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 2156 transitions. [2018-10-26 21:31:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:31:47,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:50,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:50,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 784 states and 2167 transitions. [2018-10-26 21:31:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 2167 transitions. [2018-10-26 21:31:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:31:50,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:50,765 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:52,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 787 states and 2179 transitions. [2018-10-26 21:31:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 2179 transitions. [2018-10-26 21:31:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:31:52,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:31:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 789 states and 2186 transitions. [2018-10-26 21:31:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 2186 transitions. [2018-10-26 21:31:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:31:53,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:31:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 793 states and 2199 transitions. [2018-10-26 21:31:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2199 transitions. [2018-10-26 21:31:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:31:56,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:31:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 795 states and 2202 transitions. [2018-10-26 21:31:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2202 transitions. [2018-10-26 21:31:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:31:56,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:31:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:56,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 796 states and 2202 transitions. [2018-10-26 21:31:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2202 transitions. [2018-10-26 21:31:56,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:31:56,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-26 21:31:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 796 states and 2200 transitions. [2018-10-26 21:31:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 2200 transitions. [2018-10-26 21:31:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:31:57,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:57,299 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 14 proven. 26 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 21:31:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:31:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 797 states and 2200 transitions. [2018-10-26 21:31:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2200 transitions. [2018-10-26 21:31:57,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:31:57,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:31:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:31:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 822 states and 2290 transitions. [2018-10-26 21:32:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 2290 transitions. [2018-10-26 21:32:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:32:02,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:03,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 825 states and 2302 transitions. [2018-10-26 21:32:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 2302 transitions. [2018-10-26 21:32:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:32:03,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 827 states and 2305 transitions. [2018-10-26 21:32:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 2305 transitions. [2018-10-26 21:32:04,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:32:04,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 21:32:07,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:07,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 836 states and 2337 transitions. [2018-10-26 21:32:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 2337 transitions. [2018-10-26 21:32:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:32:07,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:07,624 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 837 states and 2337 transitions. [2018-10-26 21:32:07,656 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 2337 transitions. [2018-10-26 21:32:07,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:32:07,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:15,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 863 states and 2436 transitions. [2018-10-26 21:32:15,973 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 2436 transitions. [2018-10-26 21:32:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:32:15,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 21:32:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 888 states and 2528 transitions. [2018-10-26 21:32:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 2528 transitions. [2018-10-26 21:32:23,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 21:32:23,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:24,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 888 states and 2525 transitions. [2018-10-26 21:32:24,764 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 2525 transitions. [2018-10-26 21:32:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:32:24,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:31,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 912 states and 2615 transitions. [2018-10-26 21:32:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 2615 transitions. [2018-10-26 21:32:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:32:31,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-10-26 21:32:33,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:33,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 926 states and 2643 transitions. [2018-10-26 21:32:33,484 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 2643 transitions. [2018-10-26 21:32:33,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 21:32:33,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:32:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:34,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 926 states and 2640 transitions. [2018-10-26 21:32:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 2640 transitions. [2018-10-26 21:32:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 21:32:34,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 14 proven. 27 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:32:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 927 states and 2640 transitions. [2018-10-26 21:32:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2640 transitions. [2018-10-26 21:32:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 21:32:34,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:32:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 927 states and 2639 transitions. [2018-10-26 21:32:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2639 transitions. [2018-10-26 21:32:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 21:32:35,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:32:35,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:35,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 927 states and 2638 transitions. [2018-10-26 21:32:35,721 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 2638 transitions. [2018-10-26 21:32:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 21:32:35,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:32:36,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 929 states and 2641 transitions. [2018-10-26 21:32:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2641 transitions. [2018-10-26 21:32:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 21:32:36,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:32:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 929 states and 2640 transitions. [2018-10-26 21:32:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 2640 transitions. [2018-10-26 21:32:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 21:32:37,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-26 21:32:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 938 states and 2691 transitions. [2018-10-26 21:32:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2691 transitions. [2018-10-26 21:32:40,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 21:32:40,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 14 proven. 20 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:32:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 942 states and 2699 transitions. [2018-10-26 21:32:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 2699 transitions. [2018-10-26 21:32:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 21:32:42,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:32:44,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 944 states and 2703 transitions. [2018-10-26 21:32:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 2703 transitions. [2018-10-26 21:32:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:32:44,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:45,985 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:32:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 942 states and 2699 transitions. [2018-10-26 21:32:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 2699 transitions. [2018-10-26 21:32:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:32:49,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:32:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:32:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:32:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:32:52,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 131 states and 182 transitions. [2018-10-26 21:32:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 182 transitions. [2018-10-26 21:32:52,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:32:52,161 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 176 iterations. [2018-10-26 21:32:52,172 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:32:52,596 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2018-10-26 21:32:52,882 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 1 [2018-10-26 21:32:53,168 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2018-10-26 21:32:53,345 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,347 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 21:32:53,350 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,351 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-10-26 21:32:53,353 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,356 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 21:32:53,357 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,357 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,357 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:32:53,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:32:53 ImpRootNode [2018-10-26 21:32:53,357 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:32:53,358 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:32:53,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:32:53,358 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:32:53,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:29:49" (3/4) ... [2018-10-26 21:32:53,362 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_delay [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_delay [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_cleanup [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_spin_write_unlock_irq [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_unlock [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_spin_lock [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_lock_irq [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_lock [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_lock [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~~TO~VOID [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure kmalloc [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_stats_print [2018-10-26 21:32:53,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_lock_busted_write_unlock [2018-10-26 21:32:53,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure torture_spin_lock_write_unlock [2018-10-26 21:32:53,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_alloc_flags [2018-10-26 21:32:53,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lock_torture_print_module_parms [2018-10-26 21:32:53,384 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 204 nodes and edges [2018-10-26 21:32:53,385 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-10-26 21:32:53,386 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 21:32:53,387 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:32:53,513 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18f87395-3473-43f1-bb5c-7891eec92605/bin-2019/ukojak/witness.graphml [2018-10-26 21:32:53,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:32:53,514 INFO L168 Benchmark]: Toolchain (without parser) took 241687.68 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 951.8 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 627.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:32:53,514 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:32:53,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1107.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.1 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:32:53,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.69 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:32:53,515 INFO L168 Benchmark]: Boogie Preprocessor took 62.40 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:32:53,515 INFO L168 Benchmark]: RCFGBuilder took 56282.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.5 MB). Peak memory consumption was 301.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:32:53,516 INFO L168 Benchmark]: CodeCheck took 183992.01 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -837.2 MB). Peak memory consumption was 578.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:32:53,516 INFO L168 Benchmark]: Witness Printer took 155.61 ms. Allocated memory is still 2.7 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:32:53,522 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 20 procedures, 434 locations, 1 error locations. SAFE Result, 182.7s OverallTime, 176 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2138873848 SDtfs, 215763184 SDslu, 61462304 SDs, 0 SdLazy, -931589486 SolverSat, 2123762786 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3534.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148291 GetRequests, 146409 SyntacticMatches, 778 SemanticMatches, 1104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 636678 ImplicationChecksByTransitivity, 141.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 13483 NumberOfCodeBlocks, 13483 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 13308 ConstructedInterpolants, 0 QuantifiedInterpolants, 2058975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 4384 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 175 InterpolantComputations, 144 PerfectInterpolantSequences, 4559/4908 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: 2033]: 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: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2988]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2707]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2470]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2707]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2978]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: ((((!(stutter == 5) || shuffle_interval < 3) || !(onoff_interval == 0)) || !(ref_cnt == 0)) || !(shutdown_secs == 0)) || !(ldv_spin == 0) - InvariantResult [Line: 2179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2531]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2998]: Loop Invariant Derived loop invariant: ldv_spin == 0 - InvariantResult [Line: 2497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2187]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1107.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 949.1 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.69 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.40 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 56282.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.5 MB). Peak memory consumption was 301.3 MB. Max. memory is 11.5 GB. * CodeCheck took 183992.01 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -837.2 MB). Peak memory consumption was 578.9 MB. Max. memory is 11.5 GB. * Witness Printer took 155.61 ms. Allocated memory is still 2.7 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...