./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/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 ed5636201ca86e4c0316e1914010795451711e2b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:22:26,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:22:26,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:22:26,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:22:26,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:22:26,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:22:26,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:22:26,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:22:26,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:22:26,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:22:26,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:22:26,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:22:26,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:22:26,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:22:26,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:22:26,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:22:26,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:22:26,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:22:26,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:22:26,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:22:26,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:22:26,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:22:26,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:22:26,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:22:26,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:22:26,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:22:26,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:22:26,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:22:26,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:22:26,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:22:26,505 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:22:26,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:22:26,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:22:26,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:22:26,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:22:26,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:22:26,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:22:26,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:22:26,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:22:26,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:22:26,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:22:26,524 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:22:26,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:22:26,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:22:26,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:22:26,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:22:26,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:22:26,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:22:26,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:22:26,580 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:22:26,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:22:26,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:22:26,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:22:26,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:22:26,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:22:26,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:22:26,583 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:22:26,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:22:26,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:22:26,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:22:26,584 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:22:26,584 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:22:26,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:22:26,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:22:26,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:22:26,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:22:26,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:22:26,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:22:26,586 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:22:26,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:22:26,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:22:26,589 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_574dfcfa-0a4b-4216-9401-4276a87ea6c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed5636201ca86e4c0316e1914010795451711e2b [2020-12-01 17:22:26,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:22:26,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:22:27,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:22:27,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:22:27,004 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:22:27,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-12-01 17:22:27,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/data/3e8b6d6b5/6eb85ae70125430ca9d999170af9501c/FLAG1690f2f83 [2020-12-01 17:22:27,931 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:22:27,932 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/sv-benchmarks/c/product-lines/minepump_spec1_product24.cil.c [2020-12-01 17:22:27,966 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/data/3e8b6d6b5/6eb85ae70125430ca9d999170af9501c/FLAG1690f2f83 [2020-12-01 17:22:28,134 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/data/3e8b6d6b5/6eb85ae70125430ca9d999170af9501c [2020-12-01 17:22:28,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:22:28,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:22:28,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:22:28,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:22:28,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:22:28,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:28,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201ff82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28, skipping insertion in model container [2020-12-01 17:22:28,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:28,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:22:28,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:22:28,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:22:28,800 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:22:28,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:22:28,929 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:22:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28 WrapperNode [2020-12-01 17:22:28,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:22:28,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:22:28,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:22:28,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:22:28,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:28,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:22:29,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:22:29,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:22:29,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:22:29,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... [2020-12-01 17:22:29,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:22:29,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:22:29,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:22:29,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:22:29,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/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 [2020-12-01 17:22:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:22:29,167 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 17:22:29,167 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 17:22:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 17:22:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 17:22:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 17:22:29,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 17:22:29,168 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 17:22:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 17:22:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 17:22:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 17:22:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:22:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:22:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 17:22:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 17:22:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:22:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 17:22:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 17:22:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:22:29,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:22:30,826 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:22:30,826 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-12-01 17:22:30,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:30 BoogieIcfgContainer [2020-12-01 17:22:30,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:22:30,833 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:22:30,833 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:22:30,848 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:22:30,849 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:30" (1/1) ... [2020-12-01 17:22:30,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:22:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2020-12-01 17:22:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2020-12-01 17:22:30,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:22:30,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2020-12-01 17:22:31,244 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2020-12-01 17:22:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:22:31,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:31,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:31,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2020-12-01 17:22:31,517 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2020-12-01 17:22:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:22:31,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:31,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2020-12-01 17:22:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2020-12-01 17:22:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:22:31,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2020-12-01 17:22:32,085 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2020-12-01 17:22:32,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:22:32,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:32,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:32,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2020-12-01 17:22:32,246 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-12-01 17:22:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:22:32,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:33,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 95 states and 148 transitions. [2020-12-01 17:22:33,054 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2020-12-01 17:22:33,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:22:33,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 96 states and 149 transitions. [2020-12-01 17:22:33,129 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 149 transitions. [2020-12-01 17:22:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:22:33,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:33,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:33,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 97 states and 150 transitions. [2020-12-01 17:22:33,268 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2020-12-01 17:22:33,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:22:33,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:33,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 100 states and 157 transitions. [2020-12-01 17:22:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2020-12-01 17:22:33,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:22:33,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 109 states and 174 transitions. [2020-12-01 17:22:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2020-12-01 17:22:34,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:22:34,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:34,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:35,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 203 transitions. [2020-12-01 17:22:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 203 transitions. [2020-12-01 17:22:35,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:22:35,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:35,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 124 states and 204 transitions. [2020-12-01 17:22:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 204 transitions. [2020-12-01 17:22:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:22:35,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:35,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 214 transitions. [2020-12-01 17:22:35,820 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 214 transitions. [2020-12-01 17:22:35,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:22:35,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:35,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:22:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:35,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2020-12-01 17:22:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2020-12-01 17:22:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 17:22:35,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:36,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:36,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:36,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 139 states and 239 transitions. [2020-12-01 17:22:36,234 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 239 transitions. [2020-12-01 17:22:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:22:36,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 244 transitions. [2020-12-01 17:22:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 244 transitions. [2020-12-01 17:22:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:22:36,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:36,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:36,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 238 transitions. [2020-12-01 17:22:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2020-12-01 17:22:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:22:36,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 148 states and 256 transitions. [2020-12-01 17:22:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 256 transitions. [2020-12-01 17:22:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:22:37,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 149 states and 257 transitions. [2020-12-01 17:22:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 257 transitions. [2020-12-01 17:22:37,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:22:37,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:22:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 152 states and 263 transitions. [2020-12-01 17:22:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 263 transitions. [2020-12-01 17:22:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:22:39,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:39,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:39,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 153 states and 265 transitions. [2020-12-01 17:22:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 265 transitions. [2020-12-01 17:22:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:22:39,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:39,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 280 transitions. [2020-12-01 17:22:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2020-12-01 17:22:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:22:39,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:39,895 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:22:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:40,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 168 states and 292 transitions. [2020-12-01 17:22:40,209 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 292 transitions. [2020-12-01 17:22:40,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:22:40,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:40,251 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 169 states and 294 transitions. [2020-12-01 17:22:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 294 transitions. [2020-12-01 17:22:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:22:40,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:22:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 170 states and 295 transitions. [2020-12-01 17:22:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 295 transitions. [2020-12-01 17:22:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:22:40,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:40,396 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:22:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 187 states and 337 transitions. [2020-12-01 17:22:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 337 transitions. [2020-12-01 17:22:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:22:42,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:22:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:44,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 199 states and 366 transitions. [2020-12-01 17:22:44,786 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 366 transitions. [2020-12-01 17:22:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:22:44,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:22:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:44,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 200 states and 367 transitions. [2020-12-01 17:22:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 367 transitions. [2020-12-01 17:22:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:22:44,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:44,930 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:22:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:44,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 202 states and 369 transitions. [2020-12-01 17:22:44,964 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 369 transitions. [2020-12-01 17:22:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:22:44,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:22:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:45,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 203 states and 371 transitions. [2020-12-01 17:22:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 371 transitions. [2020-12-01 17:22:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 17:22:45,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:22:45,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:45,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 205 states and 375 transitions. [2020-12-01 17:22:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 375 transitions. [2020-12-01 17:22:45,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:22:45,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-01 17:22:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 206 states and 376 transitions. [2020-12-01 17:22:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 376 transitions. [2020-12-01 17:22:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 17:22:45,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:22:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:47,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 214 states and 395 transitions. [2020-12-01 17:22:47,920 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 395 transitions. [2020-12-01 17:22:47,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:22:47,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:22:49,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 220 states and 410 transitions. [2020-12-01 17:22:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 410 transitions. [2020-12-01 17:22:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:22:49,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:22:49,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 228 states and 426 transitions. [2020-12-01 17:22:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 426 transitions. [2020-12-01 17:22:50,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:22:50,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 17:22:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 233 states and 429 transitions. [2020-12-01 17:22:50,845 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 429 transitions. [2020-12-01 17:22:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:22:50,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:50,929 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:22:50,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 234 states and 430 transitions. [2020-12-01 17:22:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 430 transitions. [2020-12-01 17:22:50,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 17:22:50,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:22:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 240 states and 439 transitions. [2020-12-01 17:22:51,238 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 439 transitions. [2020-12-01 17:22:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:22:51,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:22:51,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 241 states and 442 transitions. [2020-12-01 17:22:51,746 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 442 transitions. [2020-12-01 17:22:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 17:22:51,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:22:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 242 states and 443 transitions. [2020-12-01 17:22:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 443 transitions. [2020-12-01 17:22:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 17:22:51,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:22:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 247 states and 451 transitions. [2020-12-01 17:22:52,300 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 451 transitions. [2020-12-01 17:22:52,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:22:52,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:52,363 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:22:52,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:52,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 248 states and 452 transitions. [2020-12-01 17:22:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 452 transitions. [2020-12-01 17:22:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:22:52,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:52,483 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:22:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 249 states and 453 transitions. [2020-12-01 17:22:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 453 transitions. [2020-12-01 17:22:52,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 17:22:52,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:52,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:22:52,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 250 states and 456 transitions. [2020-12-01 17:22:52,971 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 456 transitions. [2020-12-01 17:22:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 17:22:52,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:22:53,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 253 states and 461 transitions. [2020-12-01 17:22:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 461 transitions. [2020-12-01 17:22:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 17:22:53,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:22:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 256 states and 465 transitions. [2020-12-01 17:22:53,328 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 465 transitions. [2020-12-01 17:22:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 17:22:53,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,376 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:22:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 257 states and 466 transitions. [2020-12-01 17:22:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 466 transitions. [2020-12-01 17:22:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 17:22:53,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:22:53,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 260 states and 471 transitions. [2020-12-01 17:22:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 471 transitions. [2020-12-01 17:22:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:22:53,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:22:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 261 states and 472 transitions. [2020-12-01 17:22:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 472 transitions. [2020-12-01 17:22:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 17:22:53,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:22:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 262 states and 473 transitions. [2020-12-01 17:22:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 473 transitions. [2020-12-01 17:22:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:22:53,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:53,717 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-12-01 17:22:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 102 states and 136 transitions. [2020-12-01 17:22:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 136 transitions. [2020-12-01 17:22:53,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:22:53,753 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-12-01 17:22:53,795 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:22:54,392 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 17:22:54,406 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 17:22:54,407 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,408 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,408 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,408 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,408 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,409 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,409 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 17:22:54,411 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,412 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,413 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:22:54,417 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,418 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:22:54,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:22:54 ImpRootNode [2020-12-01 17:22:54,418 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:22:54,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:22:54,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:22:54,421 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:22:54,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:30" (3/4) ... [2020-12-01 17:22:54,428 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:22:54,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 17:22:54,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 17:22:54,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 17:22:54,434 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 17:22:54,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 17:22:54,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 17:22:54,435 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 17:22:54,436 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-12-01 17:22:54,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2020-12-01 17:22:54,455 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 17:22:54,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 17:22:54,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:22:54,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:22:54,458 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:22:54,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:22:54,493 WARN L220 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)) [2020-12-01 17:22:54,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-12-01 17:22:54,578 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_574dfcfa-0a4b-4216-9401-4276a87ea6c5/bin/ukojak/witness.graphml [2020-12-01 17:22:54,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:22:54,580 INFO L168 Benchmark]: Toolchain (without parser) took 26438.89 ms. Allocated memory was 96.5 MB in the beginning and 373.3 MB in the end (delta: 276.8 MB). Free memory was 63.1 MB in the beginning and 141.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 196.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,581 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:22:54,582 INFO L168 Benchmark]: CACSL2BoogieTranslator took 773.45 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: -1.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,583 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.08 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 60.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,583 INFO L168 Benchmark]: Boogie Preprocessor took 39.42 ms. Allocated memory is still 96.5 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,584 INFO L168 Benchmark]: RCFGBuilder took 1751.78 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 90.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,584 INFO L168 Benchmark]: CodeCheck took 23585.53 ms. Allocated memory was 117.4 MB in the beginning and 373.3 MB in the end (delta: 255.9 MB). Free memory was 90.8 MB in the beginning and 147.9 MB in the end (delta: -57.1 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,585 INFO L168 Benchmark]: Witness Printer took 159.08 ms. Allocated memory is still 373.3 MB. Free memory was 147.9 MB in the beginning and 141.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:22:54,588 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, 64 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.8s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 912862280 SDtfs, 793568744 SDslu, 1103785300 SDs, 0 SdLazy, 1250471108 SolverSat, 1837863792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23666 GetRequests, 23388 SyntacticMatches, 12 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30356 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2313 NumberOfCodeBlocks, 2313 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2262 ConstructedInterpolants, 0 QuantifiedInterpolants, 212428 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 42 PerfectInterpolantSequences, 844/882 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: 514]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 67.1 MB. Free memory was 29.3 MB in the beginning and 29.2 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 773.45 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: -1.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.08 ms. Allocated memory is still 96.5 MB. Free memory was 63.0 MB in the beginning and 60.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.42 ms. Allocated memory is still 96.5 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1751.78 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 90.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 37.3 MB. Max. memory is 16.1 GB. * CodeCheck took 23585.53 ms. Allocated memory was 117.4 MB in the beginning and 373.3 MB in the end (delta: 255.9 MB). Free memory was 90.8 MB in the beginning and 147.9 MB in the end (delta: -57.1 MB). Peak memory consumption was 197.4 MB. Max. memory is 16.1 GB. * Witness Printer took 159.08 ms. Allocated memory is still 373.3 MB. Free memory was 147.9 MB in the beginning and 141.6 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...