./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.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_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/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 ad44d32391aa6283f5e8433cbefa6aad81c0febf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:28:56,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:28:56,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:28:56,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:28:56,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:28:56,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:28:56,487 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:28:56,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:28:56,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:28:56,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:28:56,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:28:56,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:28:56,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:28:56,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:28:56,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:28:56,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:28:56,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:28:56,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:28:56,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:28:56,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:28:56,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:28:56,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:28:56,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:28:56,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:28:56,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:28:56,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:28:56,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:28:56,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:28:56,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:28:56,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:28:56,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:28:56,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:28:56,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:28:56,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:28:56,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:28:56,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:28:56,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:28:56,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:28:56,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:28:56,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:28:56,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:28:56,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:28:56,597 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:28:56,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:28:56,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:28:56,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:28:56,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:28:56,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:28:56,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:28:56,602 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:28:56,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:28:56,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:28:56,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:28:56,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:28:56,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:28:56,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:28:56,604 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:28:56,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:28:56,604 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:28:56,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:28:56,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:28:56,605 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:28:56,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:28:56,606 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:28:56,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:28:56,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:28:56,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:28:56,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:28:56,607 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:28:56,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:28:56,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:28:56,608 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_d87672f2-8f2b-417e-98b9-b0e21ac529fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad44d32391aa6283f5e8433cbefa6aad81c0febf [2020-12-01 18:28:56,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:28:56,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:28:56,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:28:56,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:28:56,980 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:28:56,981 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-12-01 18:28:57,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/data/8816b591f/79a90a795fa54ad99bf93e0fee1666e8/FLAGde11bf01a [2020-12-01 18:28:57,721 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:28:57,722 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/sv-benchmarks/c/product-lines/minepump_spec1_product19.cil.c [2020-12-01 18:28:57,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/data/8816b591f/79a90a795fa54ad99bf93e0fee1666e8/FLAGde11bf01a [2020-12-01 18:28:57,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/data/8816b591f/79a90a795fa54ad99bf93e0fee1666e8 [2020-12-01 18:28:57,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:28:57,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:28:57,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:28:57,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:28:57,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:28:57,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:28:57" (1/1) ... [2020-12-01 18:28:57,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b0b903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:57, skipping insertion in model container [2020-12-01 18:28:57,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:28:57" (1/1) ... [2020-12-01 18:28:57,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:28:58,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:28:58,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:28:58,595 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:28:58,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:28:58,770 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:28:58,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58 WrapperNode [2020-12-01 18:28:58,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:28:58,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:28:58,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:28:58,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:28:58,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:28:58,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:28:58,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:28:58,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:28:58,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,925 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... [2020-12-01 18:28:58,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:28:58,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:28:58,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:28:58,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:28:58,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:28:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/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 18:28:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:28:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-12-01 18:28:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-12-01 18:28:59,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-12-01 18:28:59,022 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-12-01 18:28:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-12-01 18:28:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-12-01 18:28:59,023 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-12-01 18:28:59,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-12-01 18:28:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-12-01 18:28:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-12-01 18:28:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-12-01 18:28:59,024 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-12-01 18:28:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:28:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-12-01 18:28:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-12-01 18:28:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:28:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:29:00,534 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:29:00,535 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-12-01 18:29:00,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:00 BoogieIcfgContainer [2020-12-01 18:29:00,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:29:00,540 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:29:00,540 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:29:00,554 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:29:00,554 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:00" (1/1) ... [2020-12-01 18:29:00,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:29:00,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:00,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-12-01 18:29:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-12-01 18:29:00,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:29:00,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:00,957 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 18:29:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-12-01 18:29:00,989 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-12-01 18:29:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:29:00,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:01,193 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 18:29:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-12-01 18:29:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-12-01 18:29:01,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:29:01,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:01,365 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 18:29:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2020-12-01 18:29:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2020-12-01 18:29:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:29:01,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:01,890 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 18:29:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:02,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2020-12-01 18:29:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2020-12-01 18:29:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:29:02,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:02,650 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 18:29:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2020-12-01 18:29:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2020-12-01 18:29:02,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:29:02,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:02,710 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 18:29:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 84 states and 129 transitions. [2020-12-01 18:29:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 129 transitions. [2020-12-01 18:29:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:29:02,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:02,832 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 18:29:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 153 transitions. [2020-12-01 18:29:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 153 transitions. [2020-12-01 18:29:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:29:03,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:03,583 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 18:29:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 96 states and 154 transitions. [2020-12-01 18:29:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 154 transitions. [2020-12-01 18:29:03,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:29:03,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:03,668 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 18:29:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 102 states and 168 transitions. [2020-12-01 18:29:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 168 transitions. [2020-12-01 18:29:03,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:29:03,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:03,901 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 18:29:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:03,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2020-12-01 18:29:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2020-12-01 18:29:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:29:03,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:04,007 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 18:29:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 106 states and 177 transitions. [2020-12-01 18:29:04,203 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2020-12-01 18:29:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:29:04,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:04,319 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 18:29:05,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 207 transitions. [2020-12-01 18:29:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2020-12-01 18:29:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:29:05,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:05,355 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 18:29:05,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:05,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 208 transitions. [2020-12-01 18:29:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2020-12-01 18:29:05,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:29:05,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:05,426 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 18:29:05,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 122 states and 211 transitions. [2020-12-01 18:29:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 211 transitions. [2020-12-01 18:29:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:29:05,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:05,514 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 18:29:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 217 transitions. [2020-12-01 18:29:05,570 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 217 transitions. [2020-12-01 18:29:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:29:05,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:05,609 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 18:29:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-12-01 18:29:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-12-01 18:29:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:29:05,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:05,667 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 18:29:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 238 transitions. [2020-12-01 18:29:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2020-12-01 18:29:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:29:06,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:06,818 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 18:29:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:07,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 140 states and 244 transitions. [2020-12-01 18:29:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2020-12-01 18:29:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:29:07,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:07,886 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 18:29:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:07,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 245 transitions. [2020-12-01 18:29:07,913 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2020-12-01 18:29:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:29:07,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:07,956 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 18:29:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 142 states and 248 transitions. [2020-12-01 18:29:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 248 transitions. [2020-12-01 18:29:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:29:08,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:29:08,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:08,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 149 states and 260 transitions. [2020-12-01 18:29:08,621 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2020-12-01 18:29:08,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:29:08,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:09,038 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 18:29:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 156 states and 272 transitions. [2020-12-01 18:29:10,357 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 272 transitions. [2020-12-01 18:29:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:29:10,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:10,428 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 18:29:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:10,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 160 states and 281 transitions. [2020-12-01 18:29:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 281 transitions. [2020-12-01 18:29:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:29:10,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:10,653 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 18:29:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 164 states and 289 transitions. [2020-12-01 18:29:11,108 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2020-12-01 18:29:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:29:11,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:11,194 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 18:29:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 165 states and 289 transitions. [2020-12-01 18:29:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2020-12-01 18:29:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:29:11,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:29:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:13,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 181 states and 323 transitions. [2020-12-01 18:29:13,609 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 323 transitions. [2020-12-01 18:29:13,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:29:13,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:29:14,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 188 states and 337 transitions. [2020-12-01 18:29:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 337 transitions. [2020-12-01 18:29:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:29:14,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:29:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 189 states and 338 transitions. [2020-12-01 18:29:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 338 transitions. [2020-12-01 18:29:14,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:29:14,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:14,211 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:29:15,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 201 states and 367 transitions. [2020-12-01 18:29:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 367 transitions. [2020-12-01 18:29:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:29:15,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:16,052 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 18:29:16,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:16,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 202 states and 367 transitions. [2020-12-01 18:29:16,072 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 367 transitions. [2020-12-01 18:29:16,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:29:16,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:29:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:16,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 203 states and 370 transitions. [2020-12-01 18:29:16,151 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 370 transitions. [2020-12-01 18:29:16,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:29:16,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:29:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:16,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 204 states and 373 transitions. [2020-12-01 18:29:16,604 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 373 transitions. [2020-12-01 18:29:16,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:29:16,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:29:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 212 states and 391 transitions. [2020-12-01 18:29:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 391 transitions. [2020-12-01 18:29:18,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:29:18,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:29:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 220 states and 409 transitions. [2020-12-01 18:29:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 409 transitions. [2020-12-01 18:29:20,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:29:20,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:29:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:20,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 221 states and 410 transitions. [2020-12-01 18:29:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 410 transitions. [2020-12-01 18:29:20,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:29:20,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:20,758 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:29:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:20,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 222 states and 411 transitions. [2020-12-01 18:29:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 411 transitions. [2020-12-01 18:29:20,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 18:29:20,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:20,830 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 18:29:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 225 states and 415 transitions. [2020-12-01 18:29:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 415 transitions. [2020-12-01 18:29:21,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:29:21,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:21,061 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 18:29:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 228 states and 419 transitions. [2020-12-01 18:29:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 419 transitions. [2020-12-01 18:29:21,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:29:21,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:21,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:21,336 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:29:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 229 states and 420 transitions. [2020-12-01 18:29:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 420 transitions. [2020-12-01 18:29:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:29:21,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:21,462 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 18:29:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:22,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 232 states and 419 transitions. [2020-12-01 18:29:22,281 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 419 transitions. [2020-12-01 18:29:22,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 18:29:22,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:29:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:22,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 237 states and 427 transitions. [2020-12-01 18:29:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 427 transitions. [2020-12-01 18:29:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:29:22,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:22,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:29:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 238 states and 428 transitions. [2020-12-01 18:29:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 428 transitions. [2020-12-01 18:29:22,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:29:22,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 18:29:23,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 243 states and 437 transitions. [2020-12-01 18:29:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 437 transitions. [2020-12-01 18:29:23,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:29:23,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:23,157 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 18:29:23,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:23,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 244 states and 437 transitions. [2020-12-01 18:29:23,172 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 437 transitions. [2020-12-01 18:29:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:29:23,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 18:29:23,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:23,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 245 states and 440 transitions. [2020-12-01 18:29:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 440 transitions. [2020-12-01 18:29:23,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:29:23,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 18:29:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 246 states and 441 transitions. [2020-12-01 18:29:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 441 transitions. [2020-12-01 18:29:23,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:29:23,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 18:29:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 248 states and 446 transitions. [2020-12-01 18:29:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 446 transitions. [2020-12-01 18:29:23,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:29:23,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:29:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 251 states and 450 transitions. [2020-12-01 18:29:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 450 transitions. [2020-12-01 18:29:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:29:24,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:24,144 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 18:29:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 252 states and 450 transitions. [2020-12-01 18:29:24,165 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 450 transitions. [2020-12-01 18:29:24,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:29:24,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:24,227 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 18:29:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 255 states and 453 transitions. [2020-12-01 18:29:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 453 transitions. [2020-12-01 18:29:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:29:24,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:29:24,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 256 states and 454 transitions. [2020-12-01 18:29:24,355 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 454 transitions. [2020-12-01 18:29:24,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 18:29:24,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 18:29:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 257 states and 455 transitions. [2020-12-01 18:29:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 455 transitions. [2020-12-01 18:29:24,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 18:29:24,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:29:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 259 states and 457 transitions. [2020-12-01 18:29:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 457 transitions. [2020-12-01 18:29:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 18:29:24,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:29:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:29:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 18:29:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:29:24,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 90 states and 120 transitions. [2020-12-01 18:29:24,582 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-12-01 18:29:24,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:29:24,583 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2020-12-01 18:29:24,598 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:29:25,087 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-12-01 18:29:25,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,098 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,099 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,099 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 18:29:25,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,102 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,103 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-12-01 18:29:25,104 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-01 18:29:25,105 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,106 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:29:25,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:29:25 ImpRootNode [2020-12-01 18:29:25,106 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:29:25,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:29:25,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:29:25,108 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:29:25,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:29:00" (3/4) ... [2020-12-01 18:29:25,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:29:25,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-12-01 18:29:25,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-12-01 18:29:25,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-12-01 18:29:25,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-12-01 18:29:25,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-12-01 18:29:25,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-12-01 18:29:25,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-12-01 18:29:25,131 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-12-01 18:29:25,132 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-01 18:29:25,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-12-01 18:29:25,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 18:29:25,134 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 18:29:25,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:29:25,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:29:25,169 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 18:29:25,170 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-12-01 18:29:25,237 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d87672f2-8f2b-417e-98b9-b0e21ac529fd/bin/ukojak/witness.graphml [2020-12-01 18:29:25,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:29:25,245 INFO L168 Benchmark]: Toolchain (without parser) took 27271.80 ms. Allocated memory was 77.6 MB in the beginning and 358.6 MB in the end (delta: 281.0 MB). Free memory was 42.8 MB in the beginning and 165.3 MB in the end (delta: -122.5 MB). Peak memory consumption was 158.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:29:25,246 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 80.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:29:25,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.25 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 42.6 MB in the beginning and 61.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:29:25,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.79 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 59.2 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:29:25,248 INFO L168 Benchmark]: Boogie Preprocessor took 72.95 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:29:25,249 INFO L168 Benchmark]: RCFGBuilder took 1608.59 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 68.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:29:25,250 INFO L168 Benchmark]: CodeCheck took 24566.81 ms. Allocated memory was 94.4 MB in the beginning and 358.6 MB in the end (delta: 264.2 MB). Free memory was 68.3 MB in the beginning and 170.5 MB in the end (delta: -102.2 MB). Peak memory consumption was 161.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:29:25,250 INFO L168 Benchmark]: Witness Printer took 135.66 ms. Allocated memory is still 358.6 MB. Free memory was 170.5 MB in the beginning and 165.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:29:25,254 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 8 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.9s, OverallIterations: 55, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -348961760 SDtfs, -1531688624 SDslu, -1681712156 SDs, 0 SdLazy, -1492191520 SolverSat, -1801463664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 63.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23342 GetRequests, 23033 SyntacticMatches, 27 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35750 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2327 NumberOfCodeBlocks, 2327 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2273 ConstructedInterpolants, 0 QuantifiedInterpolants, 202423 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 46 PerfectInterpolantSequences, 875/912 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: 53]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 77.6 MB. Free memory was 59.9 MB in the beginning and 59.8 MB in the end (delta: 80.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 798.25 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 42.6 MB in the beginning and 61.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.79 ms. Allocated memory is still 94.4 MB. Free memory was 61.6 MB in the beginning and 59.2 MB in the end (delta: 2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.95 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1608.59 ms. Allocated memory is still 94.4 MB. Free memory was 57.1 MB in the beginning and 68.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * CodeCheck took 24566.81 ms. Allocated memory was 94.4 MB in the beginning and 358.6 MB in the end (delta: 264.2 MB). Free memory was 68.3 MB in the beginning and 170.5 MB in the end (delta: -102.2 MB). Peak memory consumption was 161.3 MB. Max. memory is 16.1 GB. * Witness Printer took 135.66 ms. Allocated memory is still 358.6 MB. Free memory was 170.5 MB in the beginning and 165.3 MB in the end (delta: 5.2 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...