./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_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/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 [2020-11-29 22:20:41,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:20:41,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:20:41,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:20:41,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:20:41,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:20:41,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:20:41,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:20:41,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:20:41,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:20:41,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:20:41,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:20:41,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:20:41,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:20:41,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:20:41,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:20:41,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:20:41,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:20:41,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:20:41,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:20:41,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:20:41,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:20:41,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:20:41,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:20:41,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:20:41,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:20:41,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:20:41,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:20:41,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:20:41,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:20:41,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:20:41,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:20:41,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:20:41,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:20:41,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:20:41,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:20:41,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:20:41,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:20:41,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:20:41,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:20:41,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:20:41,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 22:20:41,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:20:41,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:20:41,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 22:20:41,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 22:20:41,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:20:41,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:20:41,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:20:41,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:20:41,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:20:41,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:20:41,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:20:41,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:20:41,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:20:41,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:20:41,910 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:20:41,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:20:41,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:20:41,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:20:41,911 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 22:20:41,911 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 22:20:41,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:20:41,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:20:41,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 22:20:41,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:20:41,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:20:41,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:20:41,913 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 22:20:41,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:20:41,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:20:41,915 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_ace2958e-78de-40a0-bac6-c91f1f7cd782/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea0609e9ca0eb21cb0e9fe8358b376160b012e7 [2020-11-29 22:20:42,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:20:42,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:20:42,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:20:42,289 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:20:42,290 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:20:42,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-29 22:20:42,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/data/2241adba6/b27771e5e2434f0f8c64999ea1058dd6/FLAG1aa8d6185 [2020-11-29 22:20:42,978 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:20:42,979 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/sv-benchmarks/c/product-lines/minepump_spec1_product28.cil.c [2020-11-29 22:20:42,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/data/2241adba6/b27771e5e2434f0f8c64999ea1058dd6/FLAG1aa8d6185 [2020-11-29 22:20:43,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/data/2241adba6/b27771e5e2434f0f8c64999ea1058dd6 [2020-11-29 22:20:43,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:20:43,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:20:43,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:20:43,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:20:43,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:20:43,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@590a4270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43, skipping insertion in model container [2020-11-29 22:20:43,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:20:43,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:20:43,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:20:43,742 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:20:43,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:20:43,882 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:20:43,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43 WrapperNode [2020-11-29 22:20:43,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:20:43,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:20:43,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:20:43,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:20:43,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:20:43,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:20:43,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:20:43,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:20:43,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:43,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:44,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:44,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:44,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... [2020-11-29 22:20:44,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:20:44,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:20:44,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:20:44,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:20:44,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:20:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/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 [2020-11-29 22:20:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:20:44,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-29 22:20:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-29 22:20:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-29 22:20:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-29 22:20:44,123 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-29 22:20:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-29 22:20:44,124 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-29 22:20:44,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-29 22:20:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-29 22:20:44,125 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-29 22:20:44,125 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-29 22:20:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-29 22:20:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:20:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-29 22:20:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-29 22:20:44,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:20:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:20:45,598 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:20:45,599 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-11-29 22:20:45,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:20:45 BoogieIcfgContainer [2020-11-29 22:20:45,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:20:45,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 22:20:45,603 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 22:20:45,620 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 22:20:45,621 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:20:45" (1/1) ... [2020-11-29 22:20:45,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:20:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2020-11-29 22:20:45,674 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2020-11-29 22:20:45,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 22:20:45,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:45,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:46,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2020-11-29 22:20:46,014 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-11-29 22:20:46,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 22:20:46,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2020-11-29 22:20:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2020-11-29 22:20:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 22:20:46,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:46,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:46,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2020-11-29 22:20:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-29 22:20:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 22:20:46,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2020-11-29 22:20:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2020-11-29 22:20:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:20:46,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:46,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:47,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2020-11-29 22:20:47,414 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2020-11-29 22:20:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:20:47,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:47,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:47,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2020-11-29 22:20:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2020-11-29 22:20:47,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:20:47,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:47,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:48,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 96 states and 160 transitions. [2020-11-29 22:20:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 160 transitions. [2020-11-29 22:20:48,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:20:48,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:48,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 98 states and 164 transitions. [2020-11-29 22:20:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 164 transitions. [2020-11-29 22:20:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 22:20:48,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 103 states and 172 transitions. [2020-11-29 22:20:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2020-11-29 22:20:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:20:49,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 104 states and 173 transitions. [2020-11-29 22:20:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2020-11-29 22:20:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 22:20:49,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 109 states and 185 transitions. [2020-11-29 22:20:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2020-11-29 22:20:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 22:20:49,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:49,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 110 states and 186 transitions. [2020-11-29 22:20:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2020-11-29 22:20:49,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:20:49,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:49,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 116 states and 197 transitions. [2020-11-29 22:20:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2020-11-29 22:20:49,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:20:49,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:50,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 119 states and 202 transitions. [2020-11-29 22:20:50,198 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions. [2020-11-29 22:20:50,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 22:20:50,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:50,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 122 states and 209 transitions. [2020-11-29 22:20:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2020-11-29 22:20:50,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 22:20:50,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 126 states and 215 transitions. [2020-11-29 22:20:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 215 transitions. [2020-11-29 22:20:50,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 22:20:50,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:20:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 224 transitions. [2020-11-29 22:20:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 224 transitions. [2020-11-29 22:20:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 22:20:51,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 136 states and 237 transitions. [2020-11-29 22:20:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 237 transitions. [2020-11-29 22:20:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 22:20:51,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 238 transitions. [2020-11-29 22:20:51,270 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 238 transitions. [2020-11-29 22:20:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:20:51,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:20:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 260 transitions. [2020-11-29 22:20:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 260 transitions. [2020-11-29 22:20:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 22:20:53,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:54,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:54,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 147 states and 266 transitions. [2020-11-29 22:20:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 266 transitions. [2020-11-29 22:20:54,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:20:54,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 148 states and 269 transitions. [2020-11-29 22:20:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 269 transitions. [2020-11-29 22:20:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:20:54,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 22:20:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 270 transitions. [2020-11-29 22:20:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 270 transitions. [2020-11-29 22:20:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 22:20:54,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 153 states and 280 transitions. [2020-11-29 22:20:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 280 transitions. [2020-11-29 22:20:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 22:20:55,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 154 states and 281 transitions. [2020-11-29 22:20:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 281 transitions. [2020-11-29 22:20:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:20:55,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 22:20:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 157 states and 287 transitions. [2020-11-29 22:20:55,692 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions. [2020-11-29 22:20:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:20:55,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:55,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:20:56,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:56,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 165 states and 302 transitions. [2020-11-29 22:20:56,139 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 302 transitions. [2020-11-29 22:20:56,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 22:20:56,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:20:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 167 states and 304 transitions. [2020-11-29 22:20:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2020-11-29 22:20:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 22:20:56,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:20:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 180 states and 337 transitions. [2020-11-29 22:20:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 337 transitions. [2020-11-29 22:20:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 22:20:58,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:58,468 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:20:58,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:20:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 181 states and 337 transitions. [2020-11-29 22:20:58,482 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 337 transitions. [2020-11-29 22:20:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:20:58,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:20:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:20:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:21:00,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:00,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 189 states and 364 transitions. [2020-11-29 22:21:00,467 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 364 transitions. [2020-11-29 22:21:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:21:00,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:00,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:21:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 190 states and 367 transitions. [2020-11-29 22:21:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 367 transitions. [2020-11-29 22:21:00,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 22:21:00,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:21:00,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 192 states and 369 transitions. [2020-11-29 22:21:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 369 transitions. [2020-11-29 22:21:00,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:21:00,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:21:02,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:02,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 200 states and 382 transitions. [2020-11-29 22:21:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 382 transitions. [2020-11-29 22:21:02,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 22:21:02,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:02,747 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 22:21:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 203 states and 378 transitions. [2020-11-29 22:21:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 378 transitions. [2020-11-29 22:21:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:21:03,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:21:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 211 states and 396 transitions. [2020-11-29 22:21:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 396 transitions. [2020-11-29 22:21:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:21:04,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:04,190 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:21:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 212 states and 399 transitions. [2020-11-29 22:21:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 399 transitions. [2020-11-29 22:21:04,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 22:21:04,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:04,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:21:05,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 213 states and 400 transitions. [2020-11-29 22:21:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 400 transitions. [2020-11-29 22:21:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:21:05,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 22:21:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 214 states and 401 transitions. [2020-11-29 22:21:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 401 transitions. [2020-11-29 22:21:05,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 22:21:05,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:21:05,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:05,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 215 states and 404 transitions. [2020-11-29 22:21:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 404 transitions. [2020-11-29 22:21:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 22:21:05,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 22:21:05,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:05,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 217 states and 407 transitions. [2020-11-29 22:21:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 407 transitions. [2020-11-29 22:21:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 22:21:05,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 22:21:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:06,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 221 states and 414 transitions. [2020-11-29 22:21:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 414 transitions. [2020-11-29 22:21:06,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 22:21:06,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:21:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 227 states and 423 transitions. [2020-11-29 22:21:06,579 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 423 transitions. [2020-11-29 22:21:06,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:21:06,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:06,611 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:21:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 228 states and 426 transitions. [2020-11-29 22:21:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 426 transitions. [2020-11-29 22:21:06,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 22:21:06,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:21:07,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 229 states and 429 transitions. [2020-11-29 22:21:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 429 transitions. [2020-11-29 22:21:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 22:21:07,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-29 22:21:07,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 232 states and 434 transitions. [2020-11-29 22:21:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 434 transitions. [2020-11-29 22:21:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 22:21:07,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 22:21:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:09,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 233 states and 435 transitions. [2020-11-29 22:21:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 435 transitions. [2020-11-29 22:21:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 22:21:09,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 22:21:09,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 236 states and 437 transitions. [2020-11-29 22:21:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 437 transitions. [2020-11-29 22:21:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 22:21:09,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:09,379 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-11-29 22:21:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 239 states and 440 transitions. [2020-11-29 22:21:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 440 transitions. [2020-11-29 22:21:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-11-29 22:21:09,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:09,452 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-29 22:21:09,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 240 states and 441 transitions. [2020-11-29 22:21:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 441 transitions. [2020-11-29 22:21:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 22:21:09,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 22:21:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:21:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-29 22:21:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 22:21:09,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 88 states and 120 transitions. [2020-11-29 22:21:09,665 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2020-11-29 22:21:09,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 22:21:09,666 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2020-11-29 22:21:09,680 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 22:21:10,271 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2020-11-29 22:21:10,282 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,282 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,282 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-29 22:21:10,284 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,285 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,285 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-29 22:21:10,286 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,287 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-11-29 22:21:10,287 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,288 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,288 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 22:21:10,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 10:21:10 ImpRootNode [2020-11-29 22:21:10,289 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 22:21:10,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:21:10,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:21:10,290 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:21:10,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:20:45" (3/4) ... [2020-11-29 22:21:10,294 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 22:21:10,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2020-11-29 22:21:10,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2020-11-29 22:21:10,300 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2020-11-29 22:21:10,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2020-11-29 22:21:10,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2020-11-29 22:21:10,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2020-11-29 22:21:10,301 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2020-11-29 22:21:10,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2020-11-29 22:21:10,312 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 22:21:10,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 22:21:10,313 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 22:21:10,314 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 22:21:10,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:21:10,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 22:21:10,347 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)) [2020-11-29 22:21:10,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) || !(pumpRunning == 0)) || (methaneLevelCritical == 0 && !(0 == systemActive)) [2020-11-29 22:21:10,349 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 0 || tmp == methaneLevelCritical) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 0) [2020-11-29 22:21:10,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ace2958e-78de-40a0-bac6-c91f1f7cd782/bin/ukojak/witness.graphml [2020-11-29 22:21:10,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:21:10,408 INFO L168 Benchmark]: Toolchain (without parser) took 27130.15 ms. Allocated memory was 90.2 MB in the beginning and 356.5 MB in the end (delta: 266.3 MB). Free memory was 53.9 MB in the beginning and 219.3 MB in the end (delta: -165.4 MB). Peak memory consumption was 100.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,408 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:21:10,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.57 ms. Allocated memory is still 90.2 MB. Free memory was 53.7 MB in the beginning and 57.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.18 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 54.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,410 INFO L168 Benchmark]: Boogie Preprocessor took 65.43 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 52.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,411 INFO L168 Benchmark]: RCFGBuilder took 1569.40 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 52.8 MB in the beginning and 87.1 MB in the end (delta: -34.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,412 INFO L168 Benchmark]: CodeCheck took 24686.47 ms. Allocated memory was 115.3 MB in the beginning and 356.5 MB in the end (delta: 241.2 MB). Free memory was 87.1 MB in the beginning and 224.6 MB in the end (delta: -137.5 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,412 INFO L168 Benchmark]: Witness Printer took 116.20 ms. Allocated memory is still 356.5 MB. Free memory was 224.6 MB in the beginning and 219.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 22:21:10,415 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: 24.0s, OverallIterations: 52, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1003740864 SDtfs, -2095585592 SDslu, -913302540 SDs, 0 SdLazy, -2075668124 SolverSat, -1371121720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21698 GetRequests, 21414 SyntacticMatches, 17 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31971 ImplicationChecksByTransitivity, 17.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 2125 NumberOfCodeBlocks, 2125 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2074 ConstructedInterpolants, 0 QuantifiedInterpolants, 180367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 41 PerfectInterpolantSequences, 735/758 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 == 0 || tmp == methaneLevelCritical) || !(pumpRunning == \old(pumpRunning))) || !(pumpRunning == 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: ((!(methaneLevelCritical == 0) && pumpRunning == \old(pumpRunning)) || !(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 0.34 ms. Allocated memory is still 90.2 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 604.57 ms. Allocated memory is still 90.2 MB. Free memory was 53.7 MB in the beginning and 57.2 MB in the end (delta: -3.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.18 ms. Allocated memory is still 90.2 MB. Free memory was 57.2 MB in the beginning and 54.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.43 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 52.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1569.40 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 52.8 MB in the beginning and 87.1 MB in the end (delta: -34.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * CodeCheck took 24686.47 ms. Allocated memory was 115.3 MB in the beginning and 356.5 MB in the end (delta: 241.2 MB). Free memory was 87.1 MB in the beginning and 224.6 MB in the end (delta: -137.5 MB). Peak memory consumption was 103.2 MB. Max. memory is 16.1 GB. * Witness Printer took 116.20 ms. Allocated memory is still 356.5 MB. Free memory was 224.6 MB in the beginning and 219.3 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...