./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 465164c9d6bff671f00f1c9497719b8ddd91e991 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:32:40,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:32:40,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:32:41,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:32:41,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:32:41,008 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:32:41,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:32:41,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:32:41,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:32:41,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:32:41,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:32:41,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:32:41,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:32:41,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:32:41,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:32:41,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:32:41,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:32:41,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:32:41,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:32:41,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:32:41,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:32:41,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:32:41,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:32:41,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:32:41,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:32:41,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:32:41,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:32:41,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:32:41,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:32:41,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:32:41,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:32:41,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:32:41,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:32:41,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:32:41,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:32:41,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:32:41,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:32:41,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:32:41,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:32:41,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:32:41,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:32:41,091 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:32:41,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:32:41,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:32:41,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:32:41,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:32:41,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:32:41,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:32:41,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:32:41,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:32:41,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:32:41,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:32:41,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:32:41,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:32:41,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:32:41,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:32:41,123 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:32:41,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:32:41,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:32:41,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:32:41,124 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:32:41,124 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:32:41,124 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:32:41,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:32:41,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:32:41,125 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:32:41,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:32:41,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:32:41,126 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:32:41,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:32:41,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:32:41,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 465164c9d6bff671f00f1c9497719b8ddd91e991 [2020-11-28 04:32:41,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:32:41,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:32:41,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:32:41,442 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:32:41,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:32:41,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-28 04:32:41,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/data/3ac34d36a/d9e7a0f795f0454d8ccaa8e3e4a52b0e/FLAGf67c4cfca [2020-11-28 04:32:42,054 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:32:42,055 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/sv-benchmarks/c/product-lines/minepump_spec2_product31.cil.c [2020-11-28 04:32:42,073 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/data/3ac34d36a/d9e7a0f795f0454d8ccaa8e3e4a52b0e/FLAGf67c4cfca [2020-11-28 04:32:42,400 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/data/3ac34d36a/d9e7a0f795f0454d8ccaa8e3e4a52b0e [2020-11-28 04:32:42,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:32:42,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:32:42,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:42,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:32:42,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:32:42,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:42,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79549cc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42, skipping insertion in model container [2020-11-28 04:32:42,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:42,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:32:42,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:32:42,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:42,796 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:32:42,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:32:42,973 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:32:42,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42 WrapperNode [2020-11-28 04:32:42,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:32:42,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:42,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:32:42,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:32:42,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:32:43,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:32:43,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:32:43,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:32:43,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... [2020-11-28 04:32:43,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:32:43,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:32:43,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:32:43,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:32:43,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/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 [2020-11-28 04:32:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:32:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:32:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:32:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:32:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:32:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:32:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:32:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:32:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:32:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:32:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:32:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:32:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:32:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:32:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:32:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:32:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:32:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:32:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:32:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:32:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:32:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:32:44,387 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:32:44,387 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:32:44,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:44 BoogieIcfgContainer [2020-11-28 04:32:44,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:32:44,391 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:32:44,391 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:32:44,402 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:32:44,403 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:44" (1/1) ... [2020-11-28 04:32:44,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:32:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2020-11-28 04:32:44,469 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2020-11-28 04:32:44,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:32:44,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2020-11-28 04:32:44,709 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-11-28 04:32:44,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:32:44,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2020-11-28 04:32:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2020-11-28 04:32:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:32:44,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 81 states and 115 transitions. [2020-11-28 04:32:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-28 04:32:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:32:45,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 82 states and 116 transitions. [2020-11-28 04:32:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 116 transitions. [2020-11-28 04:32:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:45,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 83 states and 117 transitions. [2020-11-28 04:32:45,488 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2020-11-28 04:32:45,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:45,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:45,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2020-11-28 04:32:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-11-28 04:32:45,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:32:45,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:46,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 101 states and 156 transitions. [2020-11-28 04:32:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 156 transitions. [2020-11-28 04:32:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:32:46,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:46,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:46,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:46,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 157 transitions. [2020-11-28 04:32:46,367 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2020-11-28 04:32:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:32:46,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:47,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 121 states and 198 transitions. [2020-11-28 04:32:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2020-11-28 04:32:47,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:32:47,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 126 states and 207 transitions. [2020-11-28 04:32:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2020-11-28 04:32:47,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:32:47,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 132 states and 221 transitions. [2020-11-28 04:32:48,044 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 221 transitions. [2020-11-28 04:32:48,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:32:48,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 136 states and 227 transitions. [2020-11-28 04:32:48,226 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2020-11-28 04:32:48,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:32:48,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 139 states and 235 transitions. [2020-11-28 04:32:48,569 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 235 transitions. [2020-11-28 04:32:48,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:32:48,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:48,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 236 transitions. [2020-11-28 04:32:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 236 transitions. [2020-11-28 04:32:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:32:48,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:48,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:49,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:49,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 142 states and 241 transitions. [2020-11-28 04:32:49,069 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2020-11-28 04:32:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:32:49,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:49,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:32:49,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:49,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 235 transitions. [2020-11-28 04:32:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2020-11-28 04:32:49,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:32:49,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:49,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 144 states and 244 transitions. [2020-11-28 04:32:49,279 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 244 transitions. [2020-11-28 04:32:49,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:32:49,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:49,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:32:49,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 147 states and 252 transitions. [2020-11-28 04:32:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 252 transitions. [2020-11-28 04:32:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:32:49,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 156 states and 271 transitions. [2020-11-28 04:32:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2020-11-28 04:32:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:32:50,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 157 states and 272 transitions. [2020-11-28 04:32:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 272 transitions. [2020-11-28 04:32:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:32:50,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:32:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 160 states and 279 transitions. [2020-11-28 04:32:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 279 transitions. [2020-11-28 04:32:51,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:32:51,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 167 states and 291 transitions. [2020-11-28 04:32:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 291 transitions. [2020-11-28 04:32:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:32:51,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:52,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:52,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 174 states and 307 transitions. [2020-11-28 04:32:52,442 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 307 transitions. [2020-11-28 04:32:52,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:32:52,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 175 states and 308 transitions. [2020-11-28 04:32:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 308 transitions. [2020-11-28 04:32:52,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:32:52,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:52,565 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:52,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 176 states and 309 transitions. [2020-11-28 04:32:52,602 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 309 transitions. [2020-11-28 04:32:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:32:52,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:52,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:52,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 177 states and 309 transitions. [2020-11-28 04:32:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 309 transitions. [2020-11-28 04:32:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:32:52,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:52,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 178 states and 310 transitions. [2020-11-28 04:32:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2020-11-28 04:32:52,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:32:52,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:52,774 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:54,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:54,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 194 states and 354 transitions. [2020-11-28 04:32:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 354 transitions. [2020-11-28 04:32:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:32:54,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:54,676 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:56,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 206 states and 384 transitions. [2020-11-28 04:32:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 384 transitions. [2020-11-28 04:32:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:32:56,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 207 states and 384 transitions. [2020-11-28 04:32:56,306 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 384 transitions. [2020-11-28 04:32:56,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:32:56,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 208 states and 385 transitions. [2020-11-28 04:32:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 385 transitions. [2020-11-28 04:32:56,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:32:56,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:32:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:56,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 209 states and 386 transitions. [2020-11-28 04:32:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 386 transitions. [2020-11-28 04:32:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:32:56,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:32:56,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:56,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 212 states and 392 transitions. [2020-11-28 04:32:56,482 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 392 transitions. [2020-11-28 04:32:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:32:56,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:57,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 214 states and 396 transitions. [2020-11-28 04:32:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 396 transitions. [2020-11-28 04:32:57,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:32:57,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:32:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:57,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 221 states and 405 transitions. [2020-11-28 04:32:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 405 transitions. [2020-11-28 04:32:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:32:57,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 228 states and 417 transitions. [2020-11-28 04:32:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 417 transitions. [2020-11-28 04:32:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:32:58,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:32:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 233 states and 426 transitions. [2020-11-28 04:32:58,375 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 426 transitions. [2020-11-28 04:32:58,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:32:58,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:58,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 234 states and 428 transitions. [2020-11-28 04:32:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 428 transitions. [2020-11-28 04:32:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:32:58,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:32:59,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:59,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 240 states and 443 transitions. [2020-11-28 04:32:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 443 transitions. [2020-11-28 04:32:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:32:59,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:59,493 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 241 states and 444 transitions. [2020-11-28 04:32:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 444 transitions. [2020-11-28 04:32:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:32:59,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-28 04:32:59,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 242 states and 445 transitions. [2020-11-28 04:32:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 445 transitions. [2020-11-28 04:32:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:32:59,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-28 04:32:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 243 states and 448 transitions. [2020-11-28 04:32:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 448 transitions. [2020-11-28 04:32:59,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:32:59,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:32:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:32:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:32:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:32:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 244 states and 448 transitions. [2020-11-28 04:32:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 448 transitions. [2020-11-28 04:32:59,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:32:59,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:33:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 449 transitions. [2020-11-28 04:33:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 449 transitions. [2020-11-28 04:33:00,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:33:00,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:00,085 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:33:00,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 246 states and 452 transitions. [2020-11-28 04:33:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 452 transitions. [2020-11-28 04:33:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:33:00,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:00,483 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-28 04:33:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 248 states and 457 transitions. [2020-11-28 04:33:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 457 transitions. [2020-11-28 04:33:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:33:00,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:33:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 251 states and 462 transitions. [2020-11-28 04:33:00,741 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 462 transitions. [2020-11-28 04:33:00,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:33:00,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:33:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 252 states and 463 transitions. [2020-11-28 04:33:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 463 transitions. [2020-11-28 04:33:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:33:00,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:00,828 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:33:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 261 states and 482 transitions. [2020-11-28 04:33:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 482 transitions. [2020-11-28 04:33:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:33:02,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:33:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 262 states and 483 transitions. [2020-11-28 04:33:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 483 transitions. [2020-11-28 04:33:02,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:33:02,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:33:02,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 267 states and 490 transitions. [2020-11-28 04:33:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 490 transitions. [2020-11-28 04:33:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:33:02,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:33:02,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 268 states and 491 transitions. [2020-11-28 04:33:02,590 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 491 transitions. [2020-11-28 04:33:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-28 04:33:02,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:33:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 269 states and 492 transitions. [2020-11-28 04:33:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 492 transitions. [2020-11-28 04:33:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:33:02,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,697 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:33:02,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 272 states and 497 transitions. [2020-11-28 04:33:02,718 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 497 transitions. [2020-11-28 04:33:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-28 04:33:02,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-28 04:33:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 273 states and 498 transitions. [2020-11-28 04:33:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 498 transitions. [2020-11-28 04:33:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:33:02,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-28 04:33:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 109 states and 143 transitions. [2020-11-28 04:33:02,843 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 143 transitions. [2020-11-28 04:33:02,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:33:02,844 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2020-11-28 04:33:02,854 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:33:03,309 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,313 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,313 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:33:03,317 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,317 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,317 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,317 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:33:03,319 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:33:03,320 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,320 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,320 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,320 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:33:03,321 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:33:03,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:03 ImpRootNode [2020-11-28 04:33:03,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:03,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:03,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:03,322 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:03,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:44" (3/4) ... [2020-11-28 04:33:03,326 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:33:03,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:33:03,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:33:03,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:33:03,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:33:03,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:33:03,331 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:33:03,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:33:03,332 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:33:03,333 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:33:03,340 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2020-11-28 04:33:03,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:33:03,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:33:03,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:33:03,343 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:33:03,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:33:03,344 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:33:03,370 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) [2020-11-28 04:33:03,371 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:33:03,430 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_33f2734e-f35f-4fc8-aefa-892b47c69991/bin/ukojak/witness.graphml [2020-11-28 04:33:03,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:03,432 INFO L168 Benchmark]: Toolchain (without parser) took 21023.11 ms. Allocated memory was 90.2 MB in the beginning and 343.9 MB in the end (delta: 253.8 MB). Free memory was 66.6 MB in the beginning and 273.5 MB in the end (delta: -206.9 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,433 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:03,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.59 ms. Allocated memory is still 90.2 MB. Free memory was 66.3 MB in the beginning and 56.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.24 ms. Allocated memory is still 90.2 MB. Free memory was 56.5 MB in the beginning and 53.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,434 INFO L168 Benchmark]: Boogie Preprocessor took 46.21 ms. Allocated memory is still 90.2 MB. Free memory was 53.7 MB in the beginning and 52.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,434 INFO L168 Benchmark]: RCFGBuilder took 1305.72 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.0 MB in the beginning and 75.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,435 INFO L168 Benchmark]: CodeCheck took 18930.82 ms. Allocated memory was 109.1 MB in the beginning and 343.9 MB in the end (delta: 234.9 MB). Free memory was 75.0 MB in the beginning and 279.8 MB in the end (delta: -204.8 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,435 INFO L168 Benchmark]: Witness Printer took 109.07 ms. Allocated memory is still 343.9 MB. Free memory was 279.8 MB in the beginning and 273.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:03,437 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.4s, OverallIterations: 57, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1407301820 SDtfs, -1414280756 SDslu, -680702820 SDs, 0 SdLazy, -78940804 SolverSat, 118470100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 56.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26923 GetRequests, 26646 SyntacticMatches, 17 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29438 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2623 NumberOfCodeBlocks, 2623 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2567 ConstructedInterpolants, 0 QuantifiedInterpolants, 240329 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 49 PerfectInterpolantSequences, 927/963 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 3]: 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: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && !(1 == systemActive)) || (!(pumpRunning == 0) && 1 == systemActive)) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0)) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: !(0 == tmp) || methaneLevelCritical == tmp - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 54.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.59 ms. Allocated memory is still 90.2 MB. Free memory was 66.3 MB in the beginning and 56.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.24 ms. Allocated memory is still 90.2 MB. Free memory was 56.5 MB in the beginning and 53.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.21 ms. Allocated memory is still 90.2 MB. Free memory was 53.7 MB in the beginning and 52.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1305.72 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.0 MB in the beginning and 75.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * CodeCheck took 18930.82 ms. Allocated memory was 109.1 MB in the beginning and 343.9 MB in the end (delta: 234.9 MB). Free memory was 75.0 MB in the beginning and 279.8 MB in the end (delta: -204.8 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.1 GB. * Witness Printer took 109.07 ms. Allocated memory is still 343.9 MB. Free memory was 279.8 MB in the beginning and 273.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...