./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/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 f7c7db9989bf214b2258caa5c05380b7759170fd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:43:56,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:43:56,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:43:56,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:43:56,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:43:56,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:43:56,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:43:56,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:43:56,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:43:56,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:43:56,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:43:56,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:43:56,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:43:56,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:43:56,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:43:56,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:43:56,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:43:56,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:43:56,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:43:56,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:43:56,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:43:56,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:43:56,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:43:56,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:43:56,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:43:56,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:43:56,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:43:56,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:43:56,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:43:56,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:43:56,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:43:56,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:43:56,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:43:56,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:43:56,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:43:56,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:43:56,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:43:56,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:43:56,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:43:56,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:43:56,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:43:56,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:43:56,786 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:43:56,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:43:56,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:43:56,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:43:56,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:43:56,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:43:56,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:43:56,790 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:43:56,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:43:56,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:43:56,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:43:56,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:43:56,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:43:56,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:43:56,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:43:56,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:43:56,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:43:56,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:43:56,793 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:43:56,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:43:56,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:43:56,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:43:56,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:56,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:43:56,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:43:56,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:43:56,796 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:43:56,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:43:56,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:43:56,797 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_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7c7db9989bf214b2258caa5c05380b7759170fd [2020-11-28 04:43:57,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:43:57,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:43:57,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:43:57,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:43:57,111 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:43:57,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-28 04:43:57,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/data/8139afe28/56f5e0f928244d649c9a3643e6f69607/FLAGca8dd6942 [2020-11-28 04:43:57,730 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:43:57,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/sv-benchmarks/c/product-lines/minepump_spec2_product21.cil.c [2020-11-28 04:43:57,742 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/data/8139afe28/56f5e0f928244d649c9a3643e6f69607/FLAGca8dd6942 [2020-11-28 04:43:58,190 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/data/8139afe28/56f5e0f928244d649c9a3643e6f69607 [2020-11-28 04:43:58,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:43:58,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:43:58,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:58,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:43:58,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:43:58,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2a6c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58, skipping insertion in model container [2020-11-28 04:43:58,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:43:58,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:43:58,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:58,684 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:43:58,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:43:58,858 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:43:58,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58 WrapperNode [2020-11-28 04:43:58,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:43:58,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:58,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:43:58,861 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:43:58,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:43:58,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:43:58,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:43:58,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:43:58,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... [2020-11-28 04:43:58,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:43:58,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:43:58,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:43:58,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:43:58,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:43:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:43:59,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:43:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:43:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:43:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:43:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:43:59,091 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:43:59,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:43:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:43:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:43:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:43:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:43:59,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:43:59,092 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:43:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:43:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:43:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:43:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:43:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:43:59,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:43:59,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:01,057 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:01,057 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:44:01,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:01 BoogieIcfgContainer [2020-11-28 04:44:01,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:01,061 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:01,061 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:01,074 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:01,075 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:01" (1/1) ... [2020-11-28 04:44:01,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2020-11-28 04:44:01,132 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2020-11-28 04:44:01,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:01,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:01,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2020-11-28 04:44:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2020-11-28 04:44:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:01,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2020-11-28 04:44:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2020-11-28 04:44:01,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:01,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:01,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:01,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2020-11-28 04:44:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2020-11-28 04:44:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:01,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2020-11-28 04:44:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2020-11-28 04:44:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:02,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:02,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2020-11-28 04:44:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2020-11-28 04:44:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:44:02,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:02,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2020-11-28 04:44:02,926 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2020-11-28 04:44:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:02,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:04,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 106 states and 169 transitions. [2020-11-28 04:44:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 169 transitions. [2020-11-28 04:44:04,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:04,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:05,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 117 states and 193 transitions. [2020-11-28 04:44:05,802 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2020-11-28 04:44:05,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-28 04:44:05,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:05,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 122 states and 206 transitions. [2020-11-28 04:44:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2020-11-28 04:44:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:44:06,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 123 states and 207 transitions. [2020-11-28 04:44:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 207 transitions. [2020-11-28 04:44:06,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:44:06,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:06,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 132 states and 226 transitions. [2020-11-28 04:44:06,890 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 226 transitions. [2020-11-28 04:44:06,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-28 04:44:06,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2020-11-28 04:44:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2020-11-28 04:44:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:44:06,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:07,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:07,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:07,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 238 transitions. [2020-11-28 04:44:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 238 transitions. [2020-11-28 04:44:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:07,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:44:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 264 transitions. [2020-11-28 04:44:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 264 transitions. [2020-11-28 04:44:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:09,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:09,565 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:09,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:09,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 146 states and 265 transitions. [2020-11-28 04:44:09,596 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 265 transitions. [2020-11-28 04:44:09,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-28 04:44:09,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:10,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 271 transitions. [2020-11-28 04:44:10,014 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 271 transitions. [2020-11-28 04:44:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:10,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:44:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:12,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 165 states and 334 transitions. [2020-11-28 04:44:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 334 transitions. [2020-11-28 04:44:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:12,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:13,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 172 states and 359 transitions. [2020-11-28 04:44:13,300 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 359 transitions. [2020-11-28 04:44:13,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:13,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 174 states and 368 transitions. [2020-11-28 04:44:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 368 transitions. [2020-11-28 04:44:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:13,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:15,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:15,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 177 states and 377 transitions. [2020-11-28 04:44:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 377 transitions. [2020-11-28 04:44:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:15,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:15,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 179 states and 382 transitions. [2020-11-28 04:44:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 382 transitions. [2020-11-28 04:44:15,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 04:44:15,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:15,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 181 states and 393 transitions. [2020-11-28 04:44:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 393 transitions. [2020-11-28 04:44:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 04:44:15,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:44:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 183 states and 406 transitions. [2020-11-28 04:44:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 406 transitions. [2020-11-28 04:44:16,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:16,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:44:16,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:16,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 184 states and 407 transitions. [2020-11-28 04:44:16,983 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 407 transitions. [2020-11-28 04:44:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:44:16,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-28 04:44:17,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 185 states and 410 transitions. [2020-11-28 04:44:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 410 transitions. [2020-11-28 04:44:17,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:17,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:17,112 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:44:18,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 194 states and 444 transitions. [2020-11-28 04:44:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 444 transitions. [2020-11-28 04:44:18,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:18,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:44:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 196 states and 451 transitions. [2020-11-28 04:44:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 451 transitions. [2020-11-28 04:44:19,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:19,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:44:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 194 states and 429 transitions. [2020-11-28 04:44:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 429 transitions. [2020-11-28 04:44:19,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:44:19,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:44:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:19,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 195 states and 430 transitions. [2020-11-28 04:44:19,490 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 430 transitions. [2020-11-28 04:44:19,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:19,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:44:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 197 states and 433 transitions. [2020-11-28 04:44:20,017 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 433 transitions. [2020-11-28 04:44:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 04:44:20,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-28 04:44:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 203 states and 446 transitions. [2020-11-28 04:44:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 446 transitions. [2020-11-28 04:44:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:44:21,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:21,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:44:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 207 states and 453 transitions. [2020-11-28 04:44:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 453 transitions. [2020-11-28 04:44:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-28 04:44:22,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:22,922 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:44:22,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:22,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 210 states and 458 transitions. [2020-11-28 04:44:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 458 transitions. [2020-11-28 04:44:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-28 04:44:22,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,009 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-11-28 04:44:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 211 states and 459 transitions. [2020-11-28 04:44:23,074 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 459 transitions. [2020-11-28 04:44:23,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-28 04:44:23,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,111 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-28 04:44:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 84 states and 103 transitions. [2020-11-28 04:44:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2020-11-28 04:44:23,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:23,137 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2020-11-28 04:44:23,144 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:23,640 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,644 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,645 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:44:23,648 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,649 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:44:23,649 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,650 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,650 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,650 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,650 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,650 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,651 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:23,651 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2020-11-28 04:44:23,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:23 ImpRootNode [2020-11-28 04:44:23,653 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:23,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:23,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:23,653 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:23,654 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:01" (3/4) ... [2020-11-28 04:44:23,657 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:23,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:44:23,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:44:23,662 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:44:23,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:44:23,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:44:23,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:44:23,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:44:23,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2020-11-28 04:44:23,671 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2020-11-28 04:44:23,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:44:23,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:23,673 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:23,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:23,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:23,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:23,699 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) [2020-11-28 04:44:23,700 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2020-11-28 04:44:23,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7cc76020-c3fc-4e25-a95d-9e7d0472cef2/bin/ukojak/witness.graphml [2020-11-28 04:44:23,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:23,754 INFO L168 Benchmark]: Toolchain (without parser) took 25555.77 ms. Allocated memory was 92.3 MB in the beginning and 339.7 MB in the end (delta: 247.5 MB). Free memory was 71.4 MB in the beginning and 202.1 MB in the end (delta: -130.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,755 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 55.2 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:23,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.02 ms. Allocated memory is still 92.3 MB. Free memory was 71.1 MB in the beginning and 56.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.98 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 53.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,756 INFO L168 Benchmark]: Boogie Preprocessor took 35.10 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 51.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,757 INFO L168 Benchmark]: RCFGBuilder took 2081.72 ms. Allocated memory is still 92.3 MB. Free memory was 51.8 MB in the beginning and 48.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,758 INFO L168 Benchmark]: CodeCheck took 22591.53 ms. Allocated memory was 92.3 MB in the beginning and 339.7 MB in the end (delta: 247.5 MB). Free memory was 48.8 MB in the beginning and 207.3 MB in the end (delta: -158.5 MB). Peak memory consumption was 89.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,759 INFO L168 Benchmark]: Witness Printer took 96.50 ms. Allocated memory is still 339.7 MB. Free memory was 207.3 MB in the beginning and 202.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:23,761 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, 60 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.0s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -153105308 SDtfs, 397224300 SDslu, -263838308 SDs, 0 SdLazy, 358704876 SolverSat, -172980860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18451 GetRequests, 18162 SyntacticMatches, 9 SemanticMatches, 280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35825 ImplicationChecksByTransitivity, 16.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1691 NumberOfCodeBlocks, 1691 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1656 ConstructedInterpolants, 0 QuantifiedInterpolants, 166875 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 532/558 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((!(methAndRunningLastTime == 0) && !(methaneLevelCritical == 0)) || !(pumpRunning == 0)) || pumpRunning == \old(pumpRunning)) || !(1 == systemActive) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 55.2 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 664.02 ms. Allocated memory is still 92.3 MB. Free memory was 71.1 MB in the beginning and 56.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.98 ms. Allocated memory is still 92.3 MB. Free memory was 56.3 MB in the beginning and 53.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.10 ms. Allocated memory is still 92.3 MB. Free memory was 53.9 MB in the beginning and 51.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2081.72 ms. Allocated memory is still 92.3 MB. Free memory was 51.8 MB in the beginning and 48.8 MB in the end (delta: 3.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 16.1 GB. * CodeCheck took 22591.53 ms. Allocated memory was 92.3 MB in the beginning and 339.7 MB in the end (delta: 247.5 MB). Free memory was 48.8 MB in the beginning and 207.3 MB in the end (delta: -158.5 MB). Peak memory consumption was 89.8 MB. Max. memory is 16.1 GB. * Witness Printer took 96.50 ms. Allocated memory is still 339.7 MB. Free memory was 207.3 MB in the beginning and 202.1 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...