./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.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_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/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 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:44:15,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:15,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:15,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:15,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:15,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:15,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:15,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:15,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:15,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:15,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:15,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:15,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:15,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:15,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:15,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:15,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:15,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:15,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:15,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:15,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:15,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:15,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:15,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:15,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:15,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:15,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:15,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:15,786 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:15,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:15,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:15,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:15,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:15,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:15,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:15,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:15,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:15,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:15,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:15,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:15,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:15,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:15,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:15,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:15,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:15,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:15,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:15,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:15,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:15,863 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:15,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:15,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:15,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:15,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:15,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:15,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:15,866 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:15,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:15,866 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:15,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:15,867 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:15,867 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:15,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:15,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:15,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:15,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:15,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:15,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:15,869 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:15,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:15,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:15,872 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_c9b27f99-849b-43ec-a8d8-2c882113a4f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2020-11-28 04:44:16,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:16,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:16,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:16,210 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:16,211 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:16,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 04:44:16,340 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/data/9ed145a71/9cd1d77c18c6453783898c49cf16320c/FLAGc04dd4bd4 [2020-11-28 04:44:16,915 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:16,916 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-28 04:44:16,941 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/data/9ed145a71/9cd1d77c18c6453783898c49cf16320c/FLAGc04dd4bd4 [2020-11-28 04:44:17,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/data/9ed145a71/9cd1d77c18c6453783898c49cf16320c [2020-11-28 04:44:17,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:17,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:17,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:17,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:17,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:17,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:17,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5735e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17, skipping insertion in model container [2020-11-28 04:44:17,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:17,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:17,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:17,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:17,718 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:17,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:17,897 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:17,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17 WrapperNode [2020-11-28 04:44:17,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:17,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:17,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:17,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:17,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:17,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:17,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:17,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:17,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:17,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:17,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:17,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:17,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:18,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:18,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:18,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:18,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... [2020-11-28 04:44:18,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:18,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:18,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:18,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:18,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/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 04:44:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:44:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:44:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-28 04:44:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-28 04:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:19,839 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:19,840 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-28 04:44:19,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:19 BoogieIcfgContainer [2020-11-28 04:44:19,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:19,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:19,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:19,860 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:19,860 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:19" (1/1) ... [2020-11-28 04:44:19,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:19,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-28 04:44:19,920 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-28 04:44:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:19,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,248 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 04:44:20,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-28 04:44:20,275 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-28 04:44:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:44:20,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,500 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 04:44:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-28 04:44:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-28 04:44:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:44:20,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,740 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 04:44:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:20,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-28 04:44:20,798 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-28 04:44:20,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:20,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-11-28 04:44:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-28 04:44:21,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:21,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:21,311 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 04:44:21,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:21,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2020-11-28 04:44:21,333 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2020-11-28 04:44:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:21,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:21,500 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 04:44:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2020-11-28 04:44:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-11-28 04:44:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:22,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:22,231 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 04:44:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 155 transitions. [2020-11-28 04:44:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 155 transitions. [2020-11-28 04:44:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:44:23,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,160 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 04:44:23,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:23,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 156 transitions. [2020-11-28 04:44:23,170 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2020-11-28 04:44:23,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:44:23,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:23,296 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 04:44:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 181 transitions. [2020-11-28 04:44:24,316 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2020-11-28 04:44:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:44:24,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,372 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 04:44:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 193 transitions. [2020-11-28 04:44:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2020-11-28 04:44:24,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:24,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,692 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 04:44:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 194 transitions. [2020-11-28 04:44:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 194 transitions. [2020-11-28 04:44:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:44:24,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,767 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 04:44:24,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 195 transitions. [2020-11-28 04:44:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2020-11-28 04:44:24,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:24,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,865 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 04:44:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 198 transitions. [2020-11-28 04:44:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 198 transitions. [2020-11-28 04:44:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:24,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:24,948 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 04:44:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 209 transitions. [2020-11-28 04:44:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2020-11-28 04:44:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:44:25,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,216 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 04:44:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 210 transitions. [2020-11-28 04:44:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 210 transitions. [2020-11-28 04:44:25,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:44:25,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,334 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 04:44:25,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 217 transitions. [2020-11-28 04:44:25,641 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 217 transitions. [2020-11-28 04:44:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-28 04:44:25,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,677 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 04:44:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 128 states and 219 transitions. [2020-11-28 04:44:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 219 transitions. [2020-11-28 04:44:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 04:44:25,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:25,726 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 04:44:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:26,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 237 transitions. [2020-11-28 04:44:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 237 transitions. [2020-11-28 04:44:26,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-28 04:44:26,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:26,961 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 04:44:28,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 140 states and 243 transitions. [2020-11-28 04:44:28,038 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 243 transitions. [2020-11-28 04:44:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:44:28,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,108 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 04:44:28,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 245 transitions. [2020-11-28 04:44:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2020-11-28 04:44:28,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:28,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,196 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 04:44:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 142 states and 248 transitions. [2020-11-28 04:44:28,499 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 248 transitions. [2020-11-28 04:44:28,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:28,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:28,898 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 04:44:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 149 states and 260 transitions. [2020-11-28 04:44:30,333 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2020-11-28 04:44:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:30,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:30,394 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 04:44:31,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 156 states and 275 transitions. [2020-11-28 04:44:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2020-11-28 04:44:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-28 04:44:31,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,094 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 04:44:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 277 transitions. [2020-11-28 04:44:31,142 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2020-11-28 04:44:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-28 04:44:31,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:31,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 165 states and 289 transitions. [2020-11-28 04:44:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 289 transitions. [2020-11-28 04:44:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:31,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:31,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 173 states and 307 transitions. [2020-11-28 04:44:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 307 transitions. [2020-11-28 04:44:31,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:31,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:31,908 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 188 states and 335 transitions. [2020-11-28 04:44:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 335 transitions. [2020-11-28 04:44:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:33,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:33,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:33,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 192 states and 343 transitions. [2020-11-28 04:44:33,733 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 343 transitions. [2020-11-28 04:44:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:33,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 200 states and 361 transitions. [2020-11-28 04:44:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 361 transitions. [2020-11-28 04:44:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:44:35,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 201 states and 362 transitions. [2020-11-28 04:44:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 362 transitions. [2020-11-28 04:44:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-28 04:44:35,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 213 states and 390 transitions. [2020-11-28 04:44:37,190 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 390 transitions. [2020-11-28 04:44:37,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:37,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 221 states and 407 transitions. [2020-11-28 04:44:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 407 transitions. [2020-11-28 04:44:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:39,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,592 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 223 states and 410 transitions. [2020-11-28 04:44:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 410 transitions. [2020-11-28 04:44:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:39,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:39,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 04:44:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 226 states and 415 transitions. [2020-11-28 04:44:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 415 transitions. [2020-11-28 04:44:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-28 04:44:40,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 227 states and 416 transitions. [2020-11-28 04:44:40,485 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 416 transitions. [2020-11-28 04:44:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-28 04:44:40,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,519 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 04:44:40,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 228 states and 417 transitions. [2020-11-28 04:44:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 417 transitions. [2020-11-28 04:44:40,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:40,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:40,583 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 04:44:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 231 states and 416 transitions. [2020-11-28 04:44:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 416 transitions. [2020-11-28 04:44:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:41,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,331 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 232 states and 419 transitions. [2020-11-28 04:44:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 419 transitions. [2020-11-28 04:44:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:44:41,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:41,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 233 states and 420 transitions. [2020-11-28 04:44:41,920 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 420 transitions. [2020-11-28 04:44:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-28 04:44:41,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:44:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 238 states and 428 transitions. [2020-11-28 04:44:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 428 transitions. [2020-11-28 04:44:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:44:42,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-28 04:44:42,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 239 states and 429 transitions. [2020-11-28 04:44:42,418 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 429 transitions. [2020-11-28 04:44:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:44:42,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,449 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:42,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 245 states and 438 transitions. [2020-11-28 04:44:42,702 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 438 transitions. [2020-11-28 04:44:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:42,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 246 states and 441 transitions. [2020-11-28 04:44:43,284 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 441 transitions. [2020-11-28 04:44:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-28 04:44:43,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:43,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 247 states and 442 transitions. [2020-11-28 04:44:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 442 transitions. [2020-11-28 04:44:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:44:43,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-28 04:44:43,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 250 states and 447 transitions. [2020-11-28 04:44:43,431 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 447 transitions. [2020-11-28 04:44:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:44:43,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 253 states and 451 transitions. [2020-11-28 04:44:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 451 transitions. [2020-11-28 04:44:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 04:44:43,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-28 04:44:43,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 256 states and 454 transitions. [2020-11-28 04:44:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 454 transitions. [2020-11-28 04:44:43,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-28 04:44:43,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,790 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-28 04:44:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 257 states and 455 transitions. [2020-11-28 04:44:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 455 transitions. [2020-11-28 04:44:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-28 04:44:43,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 258 states and 456 transitions. [2020-11-28 04:44:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 456 transitions. [2020-11-28 04:44:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-28 04:44:43,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:44:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 90 states and 120 transitions. [2020-11-28 04:44:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 120 transitions. [2020-11-28 04:44:43,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:44:43,991 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2020-11-28 04:44:43,999 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:44:44,461 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2020-11-28 04:44:44,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,468 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,468 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-28 04:44:44,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,470 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,470 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2020-11-28 04:44:44,471 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,471 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-28 04:44:44,472 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,472 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,472 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:44:44,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:44 ImpRootNode [2020-11-28 04:44:44,473 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:44,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:44,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:44,474 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:44,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:19" (3/4) ... [2020-11-28 04:44:44,477 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:44:44,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-28 04:44:44,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-28 04:44:44,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-28 04:44:44,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-28 04:44:44,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-28 04:44:44,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-28 04:44:44,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-28 04:44:44,490 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-28 04:44:44,491 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-28 04:44:44,492 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-28 04:44:44,492 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:44:44,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:44:44,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:44,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:44:44,519 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) [2020-11-28 04:44:44,520 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-28 04:44:44,561 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c9b27f99-849b-43ec-a8d8-2c882113a4f4/bin/ukojak/witness.graphml [2020-11-28 04:44:44,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:44,563 INFO L168 Benchmark]: Toolchain (without parser) took 27339.56 ms. Allocated memory was 104.9 MB in the beginning and 352.3 MB in the end (delta: 247.5 MB). Free memory was 71.5 MB in the beginning and 199.6 MB in the end (delta: -128.0 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,563 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:44,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.12 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 70.6 MB in the end (delta: 737.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.01 ms. Allocated memory is still 104.9 MB. Free memory was 70.6 MB in the beginning and 68.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,564 INFO L168 Benchmark]: Boogie Preprocessor took 75.42 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 66.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,565 INFO L168 Benchmark]: RCFGBuilder took 1793.19 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 49.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,565 INFO L168 Benchmark]: CodeCheck took 24629.29 ms. Allocated memory was 104.9 MB in the beginning and 352.3 MB in the end (delta: 247.5 MB). Free memory was 49.2 MB in the beginning and 204.8 MB in the end (delta: -155.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,566 INFO L168 Benchmark]: Witness Printer took 88.01 ms. Allocated memory is still 352.3 MB. Free memory was 204.8 MB in the beginning and 199.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:44,568 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: 24.1s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -924473080 SDtfs, -1630724280 SDslu, 1964620820 SDs, 0 SdLazy, -1856292220 SolverSat, 639111888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20979 GetRequests, 20681 SyntacticMatches, 20 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34380 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2100 NumberOfCodeBlocks, 2100 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2050 ConstructedInterpolants, 0 QuantifiedInterpolants, 180425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 40 PerfectInterpolantSequences, 730/764 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: 792]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(tmp == 0) - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && 1 == systemActive) || pumpRunning == \old(pumpRunning)) || (!(pumpRunning == 0) && !(methaneLevelCritical == 0))) || ((methaneLevelCritical == 0 && !(0 == systemActive)) && !(1 == systemActive)) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 67.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 673.12 ms. Allocated memory is still 104.9 MB. Free memory was 71.3 MB in the beginning and 70.6 MB in the end (delta: 737.5 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.01 ms. Allocated memory is still 104.9 MB. Free memory was 70.6 MB in the beginning and 68.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.42 ms. Allocated memory is still 104.9 MB. Free memory was 68.1 MB in the beginning and 66.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1793.19 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 49.2 MB in the end (delta: 17.3 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * CodeCheck took 24629.29 ms. Allocated memory was 104.9 MB in the beginning and 352.3 MB in the end (delta: 247.5 MB). Free memory was 49.2 MB in the beginning and 204.8 MB in the end (delta: -155.6 MB). Peak memory consumption was 92.0 MB. Max. memory is 16.1 GB. * Witness Printer took 88.01 ms. Allocated memory is still 352.3 MB. Free memory was 204.8 MB in the beginning and 199.6 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...