./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/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 32bit --witnessprinter.graph.data.programhash f73634e342cf3e7f84044af175d79019321da0bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:43:26,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:43:26,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:43:26,869 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:43:26,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:43:26,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:43:26,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:43:26,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:43:26,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:43:26,874 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:43:26,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:43:26,875 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:43:26,875 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:43:26,876 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:43:26,876 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:43:26,877 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:43:26,877 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:43:26,878 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:43:26,880 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:43:26,881 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:43:26,881 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:43:26,882 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:43:26,884 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:43:26,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:43:26,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:43:26,885 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:43:26,885 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:43:26,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:43:26,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:43:26,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:43:26,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:43:26,887 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:43:26,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:43:26,888 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:43:26,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:43:26,889 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:43:26,889 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 12:43:26,896 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:43:26,897 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:43:26,897 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:43:26,897 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:43:26,898 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:43:26,898 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:43:26,898 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:43:26,898 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:43:26,898 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:43:26,899 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:43:26,900 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:43:26,900 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:43:26,900 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:43:26,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:43:26,900 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:43:26,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:43:26,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:43:26,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:43:26,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:43:26,901 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:43:26,901 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:43:26,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:43:26,901 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_535e2edc-3c0b-4665-9496-996c229f9a16/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f73634e342cf3e7f84044af175d79019321da0bc [2018-11-23 12:43:26,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:43:26,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:43:26,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:43:26,941 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:43:26,941 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:43:26,942 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-23 12:43:26,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/data/f8236068e/7c007c5d286546a7b46d454bd0f335dc/FLAGe847943ed [2018-11-23 12:43:27,435 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:43:27,436 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/sv-benchmarks/c/product-lines/minepump_spec2_product13_true-unreach-call_false-termination.cil.c [2018-11-23 12:43:27,445 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/data/f8236068e/7c007c5d286546a7b46d454bd0f335dc/FLAGe847943ed [2018-11-23 12:43:27,455 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/data/f8236068e/7c007c5d286546a7b46d454bd0f335dc [2018-11-23 12:43:27,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:43:27,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:43:27,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:43:27,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:43:27,461 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:43:27,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27, skipping insertion in model container [2018-11-23 12:43:27,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:43:27,498 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:43:27,687 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:43:27,696 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:43:27,798 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:43:27,819 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:43:27,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27 WrapperNode [2018-11-23 12:43:27,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:43:27,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:43:27,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:43:27,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:43:27,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:43:27,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:43:27,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:43:27,861 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:43:27,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... [2018-11-23 12:43:27,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:43:27,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:43:27,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:43:27,881 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:43:27,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:43:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:43:27,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:43:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:43:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:43:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:43:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:43:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:43:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:43:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:43:27,919 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:43:27,919 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:43:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:43:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:43:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:43:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:43:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:43:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:43:27,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:43:27,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:43:28,395 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:43:28,396 INFO L280 CfgBuilder]: Removed 32 assue(true) statements. [2018-11-23 12:43:28,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:28 BoogieIcfgContainer [2018-11-23 12:43:28,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:43:28,396 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:43:28,396 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:43:28,403 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:43:28,403 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:28" (1/1) ... [2018-11-23 12:43:28,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:43:28,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-11-23 12:43:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-11-23 12:43:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 12:43:28,441 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-23 12:43:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-23 12:43:28,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 12:43:28,584 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:28,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-11-23 12:43:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-11-23 12:43:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 12:43:28,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:28,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 64 states and 88 transitions. [2018-11-23 12:43:28,836 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions. [2018-11-23 12:43:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 12:43:28,837 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:28,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-11-23 12:43:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-11-23 12:43:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 12:43:29,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:29,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:29,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2018-11-23 12:43:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2018-11-23 12:43:29,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 12:43:29,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:29,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2018-11-23 12:43:29,241 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2018-11-23 12:43:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 12:43:29,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 82 states and 121 transitions. [2018-11-23 12:43:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 121 transitions. [2018-11-23 12:43:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 12:43:29,293 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:29,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 100 states and 159 transitions. [2018-11-23 12:43:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-11-23 12:43:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:43:29,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:30,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2018-11-23 12:43:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2018-11-23 12:43:30,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:43:30,300 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:43:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 111 states and 184 transitions. [2018-11-23 12:43:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 184 transitions. [2018-11-23 12:43:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 12:43:30,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2018-11-23 12:43:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2018-11-23 12:43:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 12:43:30,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:30,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 198 transitions. [2018-11-23 12:43:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 198 transitions. [2018-11-23 12:43:30,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 12:43:30,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 124 states and 214 transitions. [2018-11-23 12:43:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 214 transitions. [2018-11-23 12:43:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:43:30,983 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:31,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 210 transitions. [2018-11-23 12:43:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2018-11-23 12:43:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:43:31,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:43:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 228 transitions. [2018-11-23 12:43:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 228 transitions. [2018-11-23 12:43:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 12:43:31,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 138 states and 246 transitions. [2018-11-23 12:43:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2018-11-23 12:43:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:43:32,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 247 transitions. [2018-11-23 12:43:32,131 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 247 transitions. [2018-11-23 12:43:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:43:32,132 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 140 states and 248 transitions. [2018-11-23 12:43:32,176 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 248 transitions. [2018-11-23 12:43:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 12:43:32,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:32,190 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:43:32,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:32,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 142 states and 252 transitions. [2018-11-23 12:43:32,338 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 252 transitions. [2018-11-23 12:43:32,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-23 12:43:32,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 12:43:32,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 267 transitions. [2018-11-23 12:43:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 267 transitions. [2018-11-23 12:43:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:43:32,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 12:43:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:32,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 152 states and 268 transitions. [2018-11-23 12:43:32,650 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2018-11-23 12:43:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:43:32,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:32,680 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 164 states and 297 transitions. [2018-11-23 12:43:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 297 transitions. [2018-11-23 12:43:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:43:33,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:33,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 171 states and 326 transitions. [2018-11-23 12:43:33,649 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 326 transitions. [2018-11-23 12:43:33,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 12:43:33,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:35,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 189 states and 375 transitions. [2018-11-23 12:43:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 375 transitions. [2018-11-23 12:43:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:43:35,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:35,146 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 190 states and 376 transitions. [2018-11-23 12:43:35,181 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 376 transitions. [2018-11-23 12:43:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 12:43:35,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 204 states and 429 transitions. [2018-11-23 12:43:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 429 transitions. [2018-11-23 12:43:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-23 12:43:36,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 209 states and 442 transitions. [2018-11-23 12:43:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 442 transitions. [2018-11-23 12:43:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 12:43:36,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 210 states and 443 transitions. [2018-11-23 12:43:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 443 transitions. [2018-11-23 12:43:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:43:36,883 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:36,902 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 213 states and 466 transitions. [2018-11-23 12:43:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 466 transitions. [2018-11-23 12:43:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 12:43:37,169 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:37,188 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 215 states and 474 transitions. [2018-11-23 12:43:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 474 transitions. [2018-11-23 12:43:37,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 12:43:37,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:37,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:37,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 219 states and 486 transitions. [2018-11-23 12:43:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 486 transitions. [2018-11-23 12:43:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 12:43:37,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 224 states and 492 transitions. [2018-11-23 12:43:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 492 transitions. [2018-11-23 12:43:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:43:37,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 224 states and 483 transitions. [2018-11-23 12:43:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 483 transitions. [2018-11-23 12:43:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:43:38,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:38,999 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 225 states and 486 transitions. [2018-11-23 12:43:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 486 transitions. [2018-11-23 12:43:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:43:39,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 227 states and 488 transitions. [2018-11-23 12:43:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 488 transitions. [2018-11-23 12:43:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:43:39,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:43:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 228 states and 489 transitions. [2018-11-23 12:43:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 489 transitions. [2018-11-23 12:43:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:43:39,199 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,212 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:43:39,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 232 states and 498 transitions. [2018-11-23 12:43:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 498 transitions. [2018-11-23 12:43:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 12:43:39,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,610 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 233 states and 499 transitions. [2018-11-23 12:43:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 499 transitions. [2018-11-23 12:43:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 12:43:39,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:43:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 234 states and 500 transitions. [2018-11-23 12:43:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 500 transitions. [2018-11-23 12:43:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 12:43:39,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,695 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 12:43:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 225 states and 474 transitions. [2018-11-23 12:43:39,923 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 474 transitions. [2018-11-23 12:43:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 12:43:39,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:39,937 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:43:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 223 states and 470 transitions. [2018-11-23 12:43:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 470 transitions. [2018-11-23 12:43:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 12:43:39,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,118 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 12:43:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 224 states and 472 transitions. [2018-11-23 12:43:40,284 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 472 transitions. [2018-11-23 12:43:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 12:43:40,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:43:40,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 226 states and 476 transitions. [2018-11-23 12:43:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 476 transitions. [2018-11-23 12:43:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:43:40,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,575 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:43:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 228 states and 479 transitions. [2018-11-23 12:43:40,603 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 479 transitions. [2018-11-23 12:43:40,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:43:40,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,616 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:43:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 230 states and 482 transitions. [2018-11-23 12:43:40,630 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 482 transitions. [2018-11-23 12:43:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 12:43:40,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,645 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-23 12:43:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 232 states and 483 transitions. [2018-11-23 12:43:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 483 transitions. [2018-11-23 12:43:40,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 12:43:40,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,875 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 12:43:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 233 states and 484 transitions. [2018-11-23 12:43:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 484 transitions. [2018-11-23 12:43:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 12:43:40,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 12:43:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 234 states and 485 transitions. [2018-11-23 12:43:40,954 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 485 transitions. [2018-11-23 12:43:40,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:43:40,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:43:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 229 states and 475 transitions. [2018-11-23 12:43:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 475 transitions. [2018-11-23 12:43:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 12:43:40,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:41,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 12:43:41,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 224 states and 463 transitions. [2018-11-23 12:43:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 463 transitions. [2018-11-23 12:43:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 12:43:41,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:41,088 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:43:41,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:41,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 226 states and 464 transitions. [2018-11-23 12:43:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 464 transitions. [2018-11-23 12:43:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:43:41,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 12:43:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 224 states and 457 transitions. [2018-11-23 12:43:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 457 transitions. [2018-11-23 12:43:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 12:43:41,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:41,765 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 12:43:42,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 226 states and 459 transitions. [2018-11-23 12:43:42,061 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 459 transitions. [2018-11-23 12:43:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:43:42,061 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:43:42,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 228 states and 460 transitions. [2018-11-23 12:43:42,320 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 460 transitions. [2018-11-23 12:43:42,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:43:42,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:43:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 229 states and 461 transitions. [2018-11-23 12:43:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 461 transitions. [2018-11-23 12:43:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-23 12:43:42,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:43:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:43:42,378 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 12:43:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:43:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 82 states and 109 transitions. [2018-11-23 12:43:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2018-11-23 12:43:42,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:43:42,788 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2018-11-23 12:43:42,795 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 12:43:43,083 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 12:43:43,088 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,088 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,088 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,088 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 12:43:43,089 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,089 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,089 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,089 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,089 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 12:43:43,090 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 12:43:43,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:43:43 ImpRootNode [2018-11-23 12:43:43,091 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:43:43,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:43:43,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:43:43,092 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:43:43,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:28" (3/4) ... [2018-11-23 12:43:43,095 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:43:43,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:43:43,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:43:43,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:43:43,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:43:43,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:43:43,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 12:43:43,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:43:43,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-11-23 12:43:43,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 12:43:43,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 12:43:43,105 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 12:43:43,106 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:43:43,106 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:43:43,106 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:43:43,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive [2018-11-23 12:43:43,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == methAndRunningLastTime) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2018-11-23 12:43:43,150 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_535e2edc-3c0b-4665-9496-996c229f9a16/bin-2019/ukojak/witness.graphml [2018-11-23 12:43:43,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:43:43,151 INFO L168 Benchmark]: Toolchain (without parser) took 15693.74 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.7 MB). Free memory was 955.5 MB in the beginning and 1.3 GB in the end (delta: -391.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,152 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:43:43,153 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,153 INFO L168 Benchmark]: Boogie Preprocessor took 19.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,154 INFO L168 Benchmark]: RCFGBuilder took 514.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,154 INFO L168 Benchmark]: CodeCheck took 14695.20 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 288.4 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -324.9 MB). Peak memory consumption was 508.8 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,154 INFO L168 Benchmark]: Witness Printer took 59.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:43:43,156 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 70 locations, 1 error locations. SAFE Result, 14.3s OverallTime, 57 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2057698560 SDtfs, -391098032 SDslu, 543707256 SDs, 0 SdLazy, -1984347114 SolverSat, 281130478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 37.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31460 GetRequests, 30968 SyntacticMatches, 156 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52542 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2809 NumberOfCodeBlocks, 2809 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2753 ConstructedInterpolants, 0 QuantifiedInterpolants, 281520 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 41 PerfectInterpolantSequences, 1305/1375 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: 113]: 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: 132]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || (!(0 == methAndRunningLastTime) && !(0 == methaneLevelCritical))) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == methAndRunningLastTime) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 514.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 14695.20 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 288.4 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -324.9 MB). Peak memory consumption was 508.8 MB. Max. memory is 11.5 GB. * Witness Printer took 59.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...