./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b06e5398ffe5c8f069a10044eb2db1dcb4413f82 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 22:39:44,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 22:39:44,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 22:39:44,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 22:39:44,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 22:39:44,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 22:39:44,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 22:39:44,889 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 22:39:44,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 22:39:44,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 22:39:44,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 22:39:44,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 22:39:44,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 22:39:44,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 22:39:44,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 22:39:44,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 22:39:44,895 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 22:39:44,895 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 22:39:44,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 22:39:44,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 22:39:44,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 22:39:44,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 22:39:44,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 22:39:44,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 22:39:44,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 22:39:44,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 22:39:44,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 22:39:44,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 22:39:44,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 22:39:44,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 22:39:44,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 22:39:44,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 22:39:44,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 22:39:44,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 22:39:44,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 22:39:44,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 22:39:44,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 22:39:44,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 22:39:44,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 22:39:44,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 22:39:44,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 22:39:44,908 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 22:39:44,918 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 22:39:44,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 22:39:44,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 22:39:44,919 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 22:39:44,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 22:39:44,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 22:39:44,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 22:39:44,919 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 22:39:44,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 22:39:44,921 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 22:39:44,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 22:39:44,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 22:39:44,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 22:39:44,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 22:39:44,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 22:39:44,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:39:44,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 22:39:44,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 22:39:44,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 22:39:44,922 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 22:39:44,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 22:39:44,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 22:39:44,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/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(__VERIFIER_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 -> b06e5398ffe5c8f069a10044eb2db1dcb4413f82 [2019-12-01 22:39:45,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 22:39:45,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 22:39:45,030 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 22:39:45,031 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 22:39:45,031 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 22:39:45,032 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-12-01 22:39:45,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/data/233e65722/3ba2b732266e4a508dd7312c7278eec8/FLAGa1a3494b9 [2019-12-01 22:39:45,414 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 22:39:45,415 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-12-01 22:39:45,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/data/233e65722/3ba2b732266e4a508dd7312c7278eec8/FLAGa1a3494b9 [2019-12-01 22:39:45,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/data/233e65722/3ba2b732266e4a508dd7312c7278eec8 [2019-12-01 22:39:45,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 22:39:45,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 22:39:45,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 22:39:45,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 22:39:45,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 22:39:45,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7762f741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45, skipping insertion in model container [2019-12-01 22:39:45,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 22:39:45,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 22:39:45,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:39:45,707 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 22:39:45,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:39:45,776 INFO L208 MainTranslator]: Completed translation [2019-12-01 22:39:45,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45 WrapperNode [2019-12-01 22:39:45,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 22:39:45,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 22:39:45,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 22:39:45,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 22:39:45,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 22:39:45,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 22:39:45,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 22:39:45,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 22:39:45,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... [2019-12-01 22:39:45,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 22:39:45,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 22:39:45,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 22:39:45,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 22:39:45,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:39:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/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 [2019-12-01 22:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 22:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-12-01 22:39:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-12-01 22:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 22:39:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 22:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 22:39:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 22:39:45,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 22:39:45,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 22:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 22:39:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 22:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 22:39:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 22:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 22:39:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 22:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-12-01 22:39:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-12-01 22:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 22:39:45,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 22:39:45,884 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 22:39:45,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 22:39:45,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 22:39:46,368 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 22:39:46,368 INFO L287 CfgBuilder]: Removed 36 assume(true) statements. [2019-12-01 22:39:46,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:39:46 BoogieIcfgContainer [2019-12-01 22:39:46,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 22:39:46,370 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 22:39:46,370 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 22:39:46,380 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 22:39:46,380 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:39:46" (1/1) ... [2019-12-01 22:39:46,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 22:39:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2019-12-01 22:39:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2019-12-01 22:39:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 22:39:46,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:46,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2019-12-01 22:39:46,598 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2019-12-01 22:39:46,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 22:39:46,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2019-12-01 22:39:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2019-12-01 22:39:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 22:39:46,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-12-01 22:39:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-12-01 22:39:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 22:39:46,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2019-12-01 22:39:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2019-12-01 22:39:46,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 22:39:46,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2019-12-01 22:39:46,902 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2019-12-01 22:39:46,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 22:39:46,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2019-12-01 22:39:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2019-12-01 22:39:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 22:39:46,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:47,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:47,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 100 states and 153 transitions. [2019-12-01 22:39:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2019-12-01 22:39:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 22:39:47,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:47,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2019-12-01 22:39:47,375 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2019-12-01 22:39:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 22:39:47,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2019-12-01 22:39:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2019-12-01 22:39:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 22:39:48,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 125 states and 204 transitions. [2019-12-01 22:39:48,247 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 204 transitions. [2019-12-01 22:39:48,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 22:39:48,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 129 states and 210 transitions. [2019-12-01 22:39:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2019-12-01 22:39:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 22:39:48,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 130 states and 211 transitions. [2019-12-01 22:39:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2019-12-01 22:39:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 22:39:48,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 136 states and 226 transitions. [2019-12-01 22:39:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2019-12-01 22:39:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 22:39:48,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 231 transitions. [2019-12-01 22:39:48,748 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 231 transitions. [2019-12-01 22:39:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 22:39:48,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:39:48,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 136 states and 225 transitions. [2019-12-01 22:39:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2019-12-01 22:39:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 22:39:48,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:48,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 235 transitions. [2019-12-01 22:39:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 235 transitions. [2019-12-01 22:39:48,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 22:39:48,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:48,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:49,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 242 transitions. [2019-12-01 22:39:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 242 transitions. [2019-12-01 22:39:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 22:39:49,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 153 states and 267 transitions. [2019-12-01 22:39:49,619 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 267 transitions. [2019-12-01 22:39:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 22:39:49,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:49,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:49,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 151 states and 263 transitions. [2019-12-01 22:39:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 263 transitions. [2019-12-01 22:39:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 22:39:49,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:49,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:39:50,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 269 transitions. [2019-12-01 22:39:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 269 transitions. [2019-12-01 22:39:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 22:39:50,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 160 states and 282 transitions. [2019-12-01 22:39:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 282 transitions. [2019-12-01 22:39:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 22:39:50,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:50,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:50,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 161 states and 284 transitions. [2019-12-01 22:39:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 284 transitions. [2019-12-01 22:39:50,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 22:39:50,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 22:39:51,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 169 states and 296 transitions. [2019-12-01 22:39:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2019-12-01 22:39:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 22:39:51,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 170 states and 298 transitions. [2019-12-01 22:39:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 298 transitions. [2019-12-01 22:39:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 22:39:51,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 22:39:51,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 172 states and 299 transitions. [2019-12-01 22:39:51,263 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 299 transitions. [2019-12-01 22:39:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:39:51,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 22:39:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 173 states and 300 transitions. [2019-12-01 22:39:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2019-12-01 22:39:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:39:51,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 190 states and 346 transitions. [2019-12-01 22:39:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 346 transitions. [2019-12-01 22:39:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:39:52,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:52,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 192 states and 350 transitions. [2019-12-01 22:39:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 350 transitions. [2019-12-01 22:39:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 22:39:52,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 204 states and 383 transitions. [2019-12-01 22:39:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 383 transitions. [2019-12-01 22:39:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 22:39:54,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 206 states and 387 transitions. [2019-12-01 22:39:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 387 transitions. [2019-12-01 22:39:54,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 22:39:54,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:54,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:54,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 207 states and 388 transitions. [2019-12-01 22:39:54,361 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 388 transitions. [2019-12-01 22:39:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 22:39:54,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:54,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 210 states and 392 transitions. [2019-12-01 22:39:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 392 transitions. [2019-12-01 22:39:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 22:39:54,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:54,551 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 211 states and 393 transitions. [2019-12-01 22:39:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 393 transitions. [2019-12-01 22:39:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 22:39:54,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:54,585 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:56,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:56,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 219 states and 415 transitions. [2019-12-01 22:39:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 415 transitions. [2019-12-01 22:39:56,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 22:39:56,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 228 states and 427 transitions. [2019-12-01 22:39:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 427 transitions. [2019-12-01 22:39:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:39:56,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:56,517 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:58,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 240 states and 449 transitions. [2019-12-01 22:39:58,015 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 449 transitions. [2019-12-01 22:39:58,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:39:58,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 22:39:58,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:58,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 243 states and 454 transitions. [2019-12-01 22:39:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 454 transitions. [2019-12-01 22:39:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 22:39:58,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:39:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 244 states and 455 transitions. [2019-12-01 22:39:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 455 transitions. [2019-12-01 22:39:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 22:39:58,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:58,090 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:39:58,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:58,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 246 states and 450 transitions. [2019-12-01 22:39:58,643 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 450 transitions. [2019-12-01 22:39:58,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 22:39:58,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:58,660 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 22:39:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 254 states and 471 transitions. [2019-12-01 22:39:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 471 transitions. [2019-12-01 22:39:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 22:39:59,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 22:39:59,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:39:59,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 255 states and 472 transitions. [2019-12-01 22:39:59,949 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 472 transitions. [2019-12-01 22:39:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 22:39:59,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:39:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:39:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:40:00,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:00,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 261 states and 486 transitions. [2019-12-01 22:40:00,730 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 486 transitions. [2019-12-01 22:40:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 22:40:00,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 22:40:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 266 states and 494 transitions. [2019-12-01 22:40:00,997 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 494 transitions. [2019-12-01 22:40:00,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 22:40:00,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 22:40:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:01,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 274 states and 508 transitions. [2019-12-01 22:40:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 508 transitions. [2019-12-01 22:40:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 22:40:01,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 22:40:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 276 states and 509 transitions. [2019-12-01 22:40:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 509 transitions. [2019-12-01 22:40:01,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 22:40:01,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 22:40:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:01,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 274 states and 505 transitions. [2019-12-01 22:40:01,807 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 505 transitions. [2019-12-01 22:40:01,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 22:40:01,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:01,820 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 22:40:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:01,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 275 states and 506 transitions. [2019-12-01 22:40:01,855 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 506 transitions. [2019-12-01 22:40:01,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 22:40:01,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 22:40:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 276 states and 510 transitions. [2019-12-01 22:40:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 510 transitions. [2019-12-01 22:40:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 22:40:02,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 22:40:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 279 states and 514 transitions. [2019-12-01 22:40:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 514 transitions. [2019-12-01 22:40:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 22:40:02,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-01 22:40:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 282 states and 519 transitions. [2019-12-01 22:40:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 519 transitions. [2019-12-01 22:40:02,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 22:40:02,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 22:40:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 283 states and 522 transitions. [2019-12-01 22:40:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 522 transitions. [2019-12-01 22:40:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 22:40:02,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 22:40:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 286 states and 526 transitions. [2019-12-01 22:40:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 526 transitions. [2019-12-01 22:40:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 22:40:02,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 22:40:02,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 288 states and 529 transitions. [2019-12-01 22:40:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 529 transitions. [2019-12-01 22:40:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 22:40:02,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 22:40:02,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 290 states and 532 transitions. [2019-12-01 22:40:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 532 transitions. [2019-12-01 22:40:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 22:40:02,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 22:40:03,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:03,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 291 states and 533 transitions. [2019-12-01 22:40:03,011 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 533 transitions. [2019-12-01 22:40:03,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 22:40:03,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:03,026 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 22:40:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 285 states and 520 transitions. [2019-12-01 22:40:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 520 transitions. [2019-12-01 22:40:03,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 22:40:03,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:03,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 22:40:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 278 states and 505 transitions. [2019-12-01 22:40:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 505 transitions. [2019-12-01 22:40:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 22:40:03,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 22:40:03,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 279 states and 506 transitions. [2019-12-01 22:40:03,406 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 506 transitions. [2019-12-01 22:40:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 22:40:03,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 22:40:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 266 states and 483 transitions. [2019-12-01 22:40:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 483 transitions. [2019-12-01 22:40:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 22:40:03,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:03,459 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 22:40:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 274 states and 496 transitions. [2019-12-01 22:40:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 496 transitions. [2019-12-01 22:40:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 22:40:04,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:40:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:40:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-01 22:40:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:40:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 134 states and 189 transitions. [2019-12-01 22:40:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 189 transitions. [2019-12-01 22:40:04,549 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 22:40:04,549 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 62 iterations. [2019-12-01 22:40:04,556 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 22:40:04,864 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,868 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,868 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,868 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 22:40:04,871 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,871 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,871 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,871 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-12-01 22:40:04,872 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 22:40:04,872 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,872 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 22:40:04,872 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,873 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:40:04,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:40:04 ImpRootNode [2019-12-01 22:40:04,873 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 22:40:04,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 22:40:04,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 22:40:04,873 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 22:40:04,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:39:46" (3/4) ... [2019-12-01 22:40:04,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 22:40:04,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-12-01 22:40:04,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-12-01 22:40:04,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 22:40:04,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 22:40:04,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 22:40:04,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 22:40:04,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 22:40:04,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 22:40:04,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 22:40:04,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-12-01 22:40:04,885 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-12-01 22:40:04,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 22:40:04,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 22:40:04,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 22:40:04,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 22:40:04,887 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 22:40:04,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-12-01 22:40:04,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-12-01 22:40:04,934 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ceed1ed1-977b-4fd0-90a7-df4ca6b346c3/bin/ukojak/witness.graphml [2019-12-01 22:40:04,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 22:40:04,935 INFO L168 Benchmark]: Toolchain (without parser) took 19502.03 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.5 MB). Free memory was 946.2 MB in the beginning and 827.7 MB in the end (delta: 118.4 MB). Peak memory consumption was 508.0 MB. Max. memory is 11.5 GB. [2019-12-01 22:40:04,936 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:40:04,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-01 22:40:04,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 22:40:04,936 INFO L168 Benchmark]: Boogie Preprocessor took 23.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:40:04,936 INFO L168 Benchmark]: RCFGBuilder took 530.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-12-01 22:40:04,937 INFO L168 Benchmark]: CodeCheck took 18502.73 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 279.4 MB). Free memory was 1.0 GB in the beginning and 842.7 MB in the end (delta: 173.1 MB). Peak memory consumption was 452.5 MB. Max. memory is 11.5 GB. [2019-12-01 22:40:04,937 INFO L168 Benchmark]: Witness Printer took 60.99 ms. Allocated memory is still 1.4 GB. Free memory was 842.7 MB in the beginning and 827.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-01 22:40:04,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 10 procedures, 68 locations, 1 error locations. Result: SAFE, OverallTime: 18.1s, OverallIterations: 62, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1138556760 SDtfs, -764276124 SDslu, -1763689368 SDs, 0 SdLazy, -1274123476 SolverSat, -288969380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31498 GetRequests, 30843 SyntacticMatches, 289 SemanticMatches, 366 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59966 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2876 NumberOfCodeBlocks, 2876 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 2815 ConstructedInterpolants, 0 QuantifiedInterpolants, 289545 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 61 InterpolantComputations, 50 PerfectInterpolantSequences, 1037/1099 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: 866]: 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: 581]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -152.1 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 530.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * CodeCheck took 18502.73 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 279.4 MB). Free memory was 1.0 GB in the beginning and 842.7 MB in the end (delta: 173.1 MB). Peak memory consumption was 452.5 MB. Max. memory is 11.5 GB. * Witness Printer took 60.99 ms. Allocated memory is still 1.4 GB. Free memory was 842.7 MB in the beginning and 827.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...