./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.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_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/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 78e630cdfb1cd89877a912be67c0a041bc0bca96 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:34:44,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:34:44,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:34:45,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:34:45,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:34:45,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:34:45,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:34:45,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:34:45,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:34:45,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:34:45,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:34:45,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:34:45,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:34:45,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:34:45,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:34:45,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:34:45,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:34:45,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:34:45,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:34:45,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:34:45,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:34:45,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:34:45,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:34:45,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:34:45,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:34:45,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:34:45,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:34:45,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:34:45,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:34:45,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:34:45,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:34:45,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:34:45,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:34:45,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:34:45,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:34:45,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:34:45,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:34:45,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:34:45,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:34:45,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:34:45,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:34:45,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:34:45,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:34:45,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:34:45,121 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:34:45,121 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:34:45,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:34:45,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:34:45,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:34:45,123 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:34:45,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:34:45,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:34:45,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:34:45,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:34:45,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:34:45,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:34:45,125 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:34:45,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:34:45,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:34:45,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:34:45,126 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:34:45,126 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:34:45,127 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:34:45,127 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:34:45,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:34:45,128 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:34:45,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:34:45,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:34:45,128 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:34:45,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:34:45,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:34:45,129 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_75f640f5-520c-4625-a768-30af2cc88a18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78e630cdfb1cd89877a912be67c0a041bc0bca96 [2020-11-28 04:34:45,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:34:45,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:34:45,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:34:45,389 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:34:45,394 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:34:45,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-28 04:34:45,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/data/308d1c60c/4977d705a307461c85c64a579bbad94b/FLAG14b2e43c3 [2020-11-28 04:34:45,914 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:34:45,915 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2020-11-28 04:34:45,943 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/data/308d1c60c/4977d705a307461c85c64a579bbad94b/FLAG14b2e43c3 [2020-11-28 04:34:46,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/data/308d1c60c/4977d705a307461c85c64a579bbad94b [2020-11-28 04:34:46,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:34:46,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:34:46,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:46,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:34:46,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:34:46,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ba75e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46, skipping insertion in model container [2020-11-28 04:34:46,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:34:46,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:34:46,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:46,633 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:34:46,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:34:46,730 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:34:46,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46 WrapperNode [2020-11-28 04:34:46,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:34:46,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:46,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:34:46,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:34:46,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,756 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:34:46,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:34:46,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:34:46,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:34:46,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... [2020-11-28 04:34:46,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:34:46,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:34:46,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:34:46,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:34:46,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/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 04:34:46,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:34:46,944 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:34:46,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:34:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:34:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:34:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:34:46,945 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:34:46,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:34:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:34:46,946 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:34:46,946 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:34:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-28 04:34:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-28 04:34:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:34:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:34:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:34:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:34:46,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:34:46,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:34:46,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:34:48,283 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:34:48,284 INFO L298 CfgBuilder]: Removed 34 assume(true) statements. [2020-11-28 04:34:48,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:48 BoogieIcfgContainer [2020-11-28 04:34:48,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:34:48,287 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:34:48,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:34:48,296 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:34:48,296 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:48" (1/1) ... [2020-11-28 04:34:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:34:48,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2020-11-28 04:34:48,360 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2020-11-28 04:34:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:34:48,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,663 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 04:34:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2020-11-28 04:34:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2020-11-28 04:34:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:34:48,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,857 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 04:34:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2020-11-28 04:34:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-11-28 04:34:48,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:34:48,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:48,995 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 04:34:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 73 states and 103 transitions. [2020-11-28 04:34:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-11-28 04:34:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:34:49,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:49,273 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 04:34:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 74 states and 104 transitions. [2020-11-28 04:34:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2020-11-28 04:34:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:34:49,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:49,456 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 04:34:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:49,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2020-11-28 04:34:49,934 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2020-11-28 04:34:49,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:34:49,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,000 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 04:34:50,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:50,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 138 transitions. [2020-11-28 04:34:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2020-11-28 04:34:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:34:50,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,068 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 04:34:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 92 states and 139 transitions. [2020-11-28 04:34:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2020-11-28 04:34:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:34:50,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,141 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 04:34:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 93 states and 140 transitions. [2020-11-28 04:34:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 140 transitions. [2020-11-28 04:34:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:34:50,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,201 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 04:34:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 94 states and 141 transitions. [2020-11-28 04:34:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 141 transitions. [2020-11-28 04:34:50,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:34:50,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:50,336 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 04:34:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 111 states and 176 transitions. [2020-11-28 04:34:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2020-11-28 04:34:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:34:51,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:51,586 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 04:34:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 116 states and 189 transitions. [2020-11-28 04:34:51,740 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2020-11-28 04:34:51,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:34:51,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:51,774 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 04:34:51,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 122 states and 201 transitions. [2020-11-28 04:34:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 201 transitions. [2020-11-28 04:34:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:34:51,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:51,969 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 04:34:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 126 states and 207 transitions. [2020-11-28 04:34:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 207 transitions. [2020-11-28 04:34:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-28 04:34:52,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,134 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 04:34:52,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 127 states and 208 transitions. [2020-11-28 04:34:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2020-11-28 04:34:52,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 04:34:52,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,233 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 04:34:52,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 216 transitions. [2020-11-28 04:34:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2020-11-28 04:34:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 04:34:52,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,546 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 04:34:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 225 transitions. [2020-11-28 04:34:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 225 transitions. [2020-11-28 04:34:52,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:34:52,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:52,619 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 04:34:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 143 states and 244 transitions. [2020-11-28 04:34:53,209 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 244 transitions. [2020-11-28 04:34:53,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:34:53,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,238 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 04:34:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 144 states and 245 transitions. [2020-11-28 04:34:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2020-11-28 04:34:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:53,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,316 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 04:34:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 145 states and 246 transitions. [2020-11-28 04:34:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 246 transitions. [2020-11-28 04:34:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:53,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:53,761 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 04:34:54,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:54,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 269 transitions. [2020-11-28 04:34:54,884 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 269 transitions. [2020-11-28 04:34:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:54,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:54,931 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 04:34:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 159 states and 285 transitions. [2020-11-28 04:34:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 285 transitions. [2020-11-28 04:34:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:34:55,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,562 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 04:34:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 160 states and 286 transitions. [2020-11-28 04:34:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 286 transitions. [2020-11-28 04:34:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:34:55,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,620 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 04:34:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 167 states and 298 transitions. [2020-11-28 04:34:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 298 transitions. [2020-11-28 04:34:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:34:55,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,934 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 04:34:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 168 states and 298 transitions. [2020-11-28 04:34:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2020-11-28 04:34:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:34:55,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:55,999 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 04:34:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:56,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 169 states and 299 transitions. [2020-11-28 04:34:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 299 transitions. [2020-11-28 04:34:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:34:56,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:56,139 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 04:34:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:58,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 185 states and 343 transitions. [2020-11-28 04:34:58,327 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 343 transitions. [2020-11-28 04:34:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:34:58,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:58,369 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 04:34:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 197 states and 380 transitions. [2020-11-28 04:34:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 380 transitions. [2020-11-28 04:34:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:34:59,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,938 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 04:34:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:34:59,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 198 states and 380 transitions. [2020-11-28 04:34:59,953 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 380 transitions. [2020-11-28 04:34:59,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:34:59,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:34:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:34:59,981 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:35:01,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:01,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 206 states and 399 transitions. [2020-11-28 04:35:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 399 transitions. [2020-11-28 04:35:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:35:01,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:35:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:02,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 208 states and 406 transitions. [2020-11-28 04:35:02,119 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 406 transitions. [2020-11-28 04:35:02,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:35:02,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:02,158 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 04:35:02,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:02,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 209 states and 407 transitions. [2020-11-28 04:35:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 407 transitions. [2020-11-28 04:35:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:35:02,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:02,238 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 04:35:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 210 states and 408 transitions. [2020-11-28 04:35:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 408 transitions. [2020-11-28 04:35:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:35:02,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:02,291 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 04:35:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:03,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 216 states and 416 transitions. [2020-11-28 04:35:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 416 transitions. [2020-11-28 04:35:03,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:35:03,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:03,960 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 04:35:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 219 states and 422 transitions. [2020-11-28 04:35:03,996 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 422 transitions. [2020-11-28 04:35:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-28 04:35:03,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:04,054 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 04:35:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 224 states and 422 transitions. [2020-11-28 04:35:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 422 transitions. [2020-11-28 04:35:04,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:35:04,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:04,875 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 04:35:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:05,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 229 states and 432 transitions. [2020-11-28 04:35:05,103 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 432 transitions. [2020-11-28 04:35:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-28 04:35:05,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:05,138 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 04:35:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:05,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 230 states and 433 transitions. [2020-11-28 04:35:05,161 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 433 transitions. [2020-11-28 04:35:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:35:05,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:05,204 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 04:35:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:05,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 237 states and 444 transitions. [2020-11-28 04:35:05,618 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 444 transitions. [2020-11-28 04:35:05,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:35:05,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:05,662 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 04:35:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 238 states and 447 transitions. [2020-11-28 04:35:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 447 transitions. [2020-11-28 04:35:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:35:05,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:05,871 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 04:35:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 243 states and 456 transitions. [2020-11-28 04:35:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 456 transitions. [2020-11-28 04:35:06,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:35:06,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:06,377 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 04:35:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 244 states and 459 transitions. [2020-11-28 04:35:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 459 transitions. [2020-11-28 04:35:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:35:06,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:06,814 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 04:35:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 245 states and 459 transitions. [2020-11-28 04:35:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 459 transitions. [2020-11-28 04:35:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:35:06,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:06,860 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 04:35:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 250 states and 467 transitions. [2020-11-28 04:35:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 467 transitions. [2020-11-28 04:35:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:35:07,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:07,231 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 04:35:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 251 states and 468 transitions. [2020-11-28 04:35:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 468 transitions. [2020-11-28 04:35:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:35:07,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:07,289 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 04:35:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 252 states and 471 transitions. [2020-11-28 04:35:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 471 transitions. [2020-11-28 04:35:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:35:07,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:07,628 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 04:35:07,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 254 states and 476 transitions. [2020-11-28 04:35:07,664 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 476 transitions. [2020-11-28 04:35:07,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:35:07,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:07,693 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 04:35:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 257 states and 480 transitions. [2020-11-28 04:35:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 480 transitions. [2020-11-28 04:35:07,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:35:07,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:07,899 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 04:35:07,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 258 states and 480 transitions. [2020-11-28 04:35:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 480 transitions. [2020-11-28 04:35:07,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-28 04:35:07,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:35:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 261 states and 485 transitions. [2020-11-28 04:35:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 485 transitions. [2020-11-28 04:35:07,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:35:07,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:08,002 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 04:35:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 264 states and 491 transitions. [2020-11-28 04:35:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 491 transitions. [2020-11-28 04:35:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-28 04:35:08,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:35:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:08,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 265 states and 492 transitions. [2020-11-28 04:35:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 492 transitions. [2020-11-28 04:35:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:35:08,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:08,359 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 04:35:08,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 266 states and 493 transitions. [2020-11-28 04:35:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 493 transitions. [2020-11-28 04:35:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-28 04:35:08,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:35:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 267 states and 494 transitions. [2020-11-28 04:35:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 494 transitions. [2020-11-28 04:35:08,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-28 04:35:08,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:35:08,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:08,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 269 states and 496 transitions. [2020-11-28 04:35:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 496 transitions. [2020-11-28 04:35:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-11-28 04:35:08,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:35:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:35:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:35:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:35:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 88 states and 120 transitions. [2020-11-28 04:35:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-28 04:35:08,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:35:08,584 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2020-11-28 04:35:08,593 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:35:09,013 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:35:09,021 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,022 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:35:09,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,024 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:35:09,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:35:09 ImpRootNode [2020-11-28 04:35:09,025 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:35:09,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:35:09,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:35:09,025 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:35:09,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:48" (3/4) ... [2020-11-28 04:35:09,029 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:35:09,033 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:35:09,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:35:09,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:35:09,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:35:09,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:35:09,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:35:09,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2020-11-28 04:35:09,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2020-11-28 04:35:09,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2020-11-28 04:35:09,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:35:09,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:35:09,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:35:09,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:35:09,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:35:09,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:35:09,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-28 04:35:09,107 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_75f640f5-520c-4625-a768-30af2cc88a18/bin/ukojak/witness.graphml [2020-11-28 04:35:09,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:35:09,109 INFO L168 Benchmark]: Toolchain (without parser) took 22824.70 ms. Allocated memory was 90.2 MB in the beginning and 406.8 MB in the end (delta: 316.7 MB). Free memory was 54.3 MB in the beginning and 212.1 MB in the end (delta: -157.8 MB). Peak memory consumption was 157.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,110 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:35:09,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.58 ms. Allocated memory is still 90.2 MB. Free memory was 54.1 MB in the beginning and 56.8 MB in the end (delta: -2.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.07 ms. Allocated memory is still 90.2 MB. Free memory was 56.8 MB in the beginning and 54.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,111 INFO L168 Benchmark]: Boogie Preprocessor took 30.85 ms. Allocated memory is still 90.2 MB. Free memory was 54.3 MB in the beginning and 52.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,111 INFO L168 Benchmark]: RCFGBuilder took 1452.12 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.5 MB in the beginning and 62.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,112 INFO L168 Benchmark]: CodeCheck took 20738.11 ms. Allocated memory was 109.1 MB in the beginning and 406.8 MB in the end (delta: 297.8 MB). Free memory was 62.2 MB in the beginning and 217.3 MB in the end (delta: -155.1 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,112 INFO L168 Benchmark]: Witness Printer took 82.45 ms. Allocated memory is still 406.8 MB. Free memory was 217.3 MB in the beginning and 212.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:35:09,115 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 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 20.2s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1739448144 SDtfs, 2114135312 SDslu, 2096456228 SDs, 0 SdLazy, 719559808 SolverSat, 245961152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26815 GetRequests, 26519 SyntacticMatches, 24 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33768 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2547 NumberOfCodeBlocks, 2547 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 2492 ConstructedInterpolants, 0 QuantifiedInterpolants, 229656 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 48 PerfectInterpolantSequences, 970/1006 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: 903]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 90.2 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 25.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 445.58 ms. Allocated memory is still 90.2 MB. Free memory was 54.1 MB in the beginning and 56.8 MB in the end (delta: -2.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.07 ms. Allocated memory is still 90.2 MB. Free memory was 56.8 MB in the beginning and 54.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.85 ms. Allocated memory is still 90.2 MB. Free memory was 54.3 MB in the beginning and 52.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1452.12 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 52.5 MB in the beginning and 62.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. * CodeCheck took 20738.11 ms. Allocated memory was 109.1 MB in the beginning and 406.8 MB in the end (delta: 297.8 MB). Free memory was 62.2 MB in the beginning and 217.3 MB in the end (delta: -155.1 MB). Peak memory consumption was 142.8 MB. Max. memory is 16.1 GB. * Witness Printer took 82.45 ms. Allocated memory is still 406.8 MB. Free memory was 217.3 MB in the beginning and 212.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...