./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:01:59,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:01:59,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:01:59,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:01:59,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:01:59,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:01:59,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:01:59,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:01:59,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:01:59,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:01:59,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:01:59,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:01:59,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:01:59,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:01:59,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:01:59,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:01:59,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:01:59,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:01:59,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:01:59,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:01:59,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:01:59,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:01:59,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:01:59,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:01:59,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:01:59,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:01:59,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:01:59,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:01:59,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:01:59,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:01:59,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:01:59,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:01:59,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:01:59,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:01:59,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:01:59,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:01:59,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:01:59,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:01:59,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:01:59,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:01:59,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:01:59,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:01:59,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:01:59,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:01:59,705 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:01:59,705 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:01:59,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:01:59,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:01:59,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:01:59,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:01:59,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:01:59,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:01:59,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:01:59,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:01:59,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:01:59,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:01:59,708 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:01:59,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:01:59,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:01:59,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:01:59,723 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:01:59,724 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:01:59,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:01:59,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:01:59,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:01:59,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:01:59,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:01:59,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:01:59,725 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:01:59,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:01:59,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:01:59,726 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_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2019-11-20 01:01:59,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:01:59,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:01:59,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:01:59,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:01:59,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:01:59,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-11-20 01:02:00,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/data/5b1cda1ef/1539cd967ee04fbfb19c162a885e7e90/FLAG3a472a9d9 [2019-11-20 01:02:00,505 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:02:00,506 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2019-11-20 01:02:00,529 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/data/5b1cda1ef/1539cd967ee04fbfb19c162a885e7e90/FLAG3a472a9d9 [2019-11-20 01:02:00,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/data/5b1cda1ef/1539cd967ee04fbfb19c162a885e7e90 [2019-11-20 01:02:00,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:02:00,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:02:00,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:02:00,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:02:00,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:02:00,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:02:00" (1/1) ... [2019-11-20 01:02:00,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa456a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:00, skipping insertion in model container [2019-11-20 01:02:00,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:02:00" (1/1) ... [2019-11-20 01:02:00,815 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:02:00,880 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:02:01,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:02:01,393 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:02:01,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:02:01,571 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:02:01,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01 WrapperNode [2019-11-20 01:02:01,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:02:01,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:02:01,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:02:01,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:02:01,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:02:01,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:02:01,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:02:01,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:02:01,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... [2019-11-20 01:02:01,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:02:01,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:02:01,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:02:01,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:02:01,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:02:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/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 [2019-11-20 01:02:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:02:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 01:02:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 01:02:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 01:02:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 01:02:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 01:02:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 01:02:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 01:02:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 01:02:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 01:02:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 01:02:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 01:02:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 01:02:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-20 01:02:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-20 01:02:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:02:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 01:02:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 01:02:01,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:02:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:02:03,050 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:02:03,050 INFO L285 CfgBuilder]: Removed 40 assume(true) statements. [2019-11-20 01:02:03,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:02:03 BoogieIcfgContainer [2019-11-20 01:02:03,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:02:03,052 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:02:03,052 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:02:03,068 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:02:03,068 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:02:03" (1/1) ... [2019-11-20 01:02:03,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:02:03,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-11-20 01:02:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-11-20 01:02:03,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 01:02:03,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-11-20 01:02:03,485 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-11-20 01:02:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 01:02:03,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:03,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-11-20 01:02:03,665 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-11-20 01:02:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 01:02:03,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:03,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:03,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 93 transitions. [2019-11-20 01:02:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2019-11-20 01:02:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:02:03,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:03,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:04,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-11-20 01:02:04,196 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-11-20 01:02:04,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:02:04,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-11-20 01:02:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-11-20 01:02:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:02:04,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:04,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2019-11-20 01:02:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-11-20 01:02:04,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 01:02:04,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:04,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:05,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2019-11-20 01:02:05,048 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2019-11-20 01:02:05,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:02:05,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2019-11-20 01:02:05,170 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2019-11-20 01:02:05,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:02:05,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:05,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2019-11-20 01:02:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2019-11-20 01:02:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:02:05,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 109 states and 183 transitions. [2019-11-20 01:02:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 183 transitions. [2019-11-20 01:02:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 01:02:06,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 112 states and 190 transitions. [2019-11-20 01:02:07,240 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 190 transitions. [2019-11-20 01:02:07,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:02:07,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:07,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 113 states and 191 transitions. [2019-11-20 01:02:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2019-11-20 01:02:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 01:02:07,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 121 states and 214 transitions. [2019-11-20 01:02:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 214 transitions. [2019-11-20 01:02:08,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 01:02:08,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:08,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 215 transitions. [2019-11-20 01:02:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 215 transitions. [2019-11-20 01:02:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 01:02:08,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:09,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:09,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 217 transitions. [2019-11-20 01:02:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 217 transitions. [2019-11-20 01:02:09,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 01:02:09,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 217 transitions. [2019-11-20 01:02:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 217 transitions. [2019-11-20 01:02:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 01:02:09,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:09,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 126 states and 218 transitions. [2019-11-20 01:02:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 218 transitions. [2019-11-20 01:02:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 01:02:09,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:09,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 127 states and 219 transitions. [2019-11-20 01:02:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 219 transitions. [2019-11-20 01:02:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 01:02:09,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 137 states and 244 transitions. [2019-11-20 01:02:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 244 transitions. [2019-11-20 01:02:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 01:02:10,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 254 transitions. [2019-11-20 01:02:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2019-11-20 01:02:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 01:02:10,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:10,914 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 143 states and 255 transitions. [2019-11-20 01:02:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 255 transitions. [2019-11-20 01:02:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:02:10,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:11,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:11,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 144 states and 256 transitions. [2019-11-20 01:02:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 256 transitions. [2019-11-20 01:02:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 01:02:11,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 145 states and 258 transitions. [2019-11-20 01:02:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2019-11-20 01:02:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:02:11,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 146 states and 260 transitions. [2019-11-20 01:02:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 260 transitions. [2019-11-20 01:02:11,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:02:11,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:02:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 158 states and 304 transitions. [2019-11-20 01:02:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 304 transitions. [2019-11-20 01:02:12,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 01:02:12,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:02:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 160 states and 308 transitions. [2019-11-20 01:02:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2019-11-20 01:02:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 01:02:12,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 168 states and 335 transitions. [2019-11-20 01:02:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 335 transitions. [2019-11-20 01:02:16,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:02:16,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:02:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:16,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 169 states and 336 transitions. [2019-11-20 01:02:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 336 transitions. [2019-11-20 01:02:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 01:02:16,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:02:16,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:16,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 170 states and 337 transitions. [2019-11-20 01:02:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 337 transitions. [2019-11-20 01:02:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:02:16,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:16,906 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 173 states and 345 transitions. [2019-11-20 01:02:17,914 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 345 transitions. [2019-11-20 01:02:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:02:17,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:20,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 188 states and 382 transitions. [2019-11-20 01:02:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 382 transitions. [2019-11-20 01:02:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 01:02:20,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:02:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 195 states and 413 transitions. [2019-11-20 01:02:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 413 transitions. [2019-11-20 01:02:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 01:02:22,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:22,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:02:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 199 states and 418 transitions. [2019-11-20 01:02:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 418 transitions. [2019-11-20 01:02:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:02:23,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:23,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 200 states and 419 transitions. [2019-11-20 01:02:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 419 transitions. [2019-11-20 01:02:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:02:23,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 201 states and 420 transitions. [2019-11-20 01:02:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 420 transitions. [2019-11-20 01:02:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:02:23,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:02:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 203 states and 429 transitions. [2019-11-20 01:02:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 429 transitions. [2019-11-20 01:02:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:02:24,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:24,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:02:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 201 states and 419 transitions. [2019-11-20 01:02:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 419 transitions. [2019-11-20 01:02:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:02:24,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 01:02:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:25,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 201 states and 417 transitions. [2019-11-20 01:02:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 417 transitions. [2019-11-20 01:02:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:02:25,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:02:27,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:27,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 206 states and 433 transitions. [2019-11-20 01:02:27,605 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 433 transitions. [2019-11-20 01:02:27,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 01:02:27,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:02:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 208 states and 434 transitions. [2019-11-20 01:02:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 434 transitions. [2019-11-20 01:02:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:02:28,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:02:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 213 states and 443 transitions. [2019-11-20 01:02:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 443 transitions. [2019-11-20 01:02:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-20 01:02:29,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 01:02:29,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:29,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 218 states and 453 transitions. [2019-11-20 01:02:29,904 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 453 transitions. [2019-11-20 01:02:29,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:02:29,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:02:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 216 states and 449 transitions. [2019-11-20 01:02:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 449 transitions. [2019-11-20 01:02:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:02:29,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:02:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:30,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 213 states and 440 transitions. [2019-11-20 01:02:30,036 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 440 transitions. [2019-11-20 01:02:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 01:02:30,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:02:31,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:31,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 223 states and 465 transitions. [2019-11-20 01:02:31,814 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 465 transitions. [2019-11-20 01:02:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 01:02:31,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:02:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 225 states and 466 transitions. [2019-11-20 01:02:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 466 transitions. [2019-11-20 01:02:32,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 01:02:32,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:02:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 226 states and 467 transitions. [2019-11-20 01:02:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 467 transitions. [2019-11-20 01:02:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:02:32,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:02:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:33,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 231 states and 479 transitions. [2019-11-20 01:02:33,317 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 479 transitions. [2019-11-20 01:02:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:02:33,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:33,350 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:02:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 231 states and 475 transitions. [2019-11-20 01:02:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 475 transitions. [2019-11-20 01:02:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:02:33,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:33,678 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:02:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 232 states and 475 transitions. [2019-11-20 01:02:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 475 transitions. [2019-11-20 01:02:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 01:02:33,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-11-20 01:02:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 233 states and 472 transitions. [2019-11-20 01:02:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 472 transitions. [2019-11-20 01:02:34,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 01:02:34,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:02:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 217 states and 442 transitions. [2019-11-20 01:02:34,585 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 442 transitions. [2019-11-20 01:02:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 01:02:34,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-20 01:02:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:34,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 212 states and 430 transitions. [2019-11-20 01:02:34,659 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 430 transitions. [2019-11-20 01:02:34,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:02:34,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:34,694 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 01:02:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 214 states and 434 transitions. [2019-11-20 01:02:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 434 transitions. [2019-11-20 01:02:35,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:02:35,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:35,245 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 01:02:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 214 states and 431 transitions. [2019-11-20 01:02:35,951 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 431 transitions. [2019-11-20 01:02:35,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:02:35,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:35,987 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 01:02:36,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 214 states and 427 transitions. [2019-11-20 01:02:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 427 transitions. [2019-11-20 01:02:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 01:02:36,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:02:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:40,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 227 states and 488 transitions. [2019-11-20 01:02:40,183 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 488 transitions. [2019-11-20 01:02:40,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 01:02:40,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:02:41,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 231 states and 496 transitions. [2019-11-20 01:02:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 496 transitions. [2019-11-20 01:02:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 01:02:41,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:02:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:02:41,187 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 01:02:41,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:02:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 144 states and 257 transitions. [2019-11-20 01:02:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2019-11-20 01:02:41,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:02:41,476 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2019-11-20 01:02:41,486 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:02:42,046 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,050 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,051 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,051 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,051 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,051 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,052 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,052 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-11-20 01:02:42,057 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2019-11-20 01:02:42,059 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 01:02:42,060 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,060 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,061 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 01:02:42,061 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:02:42,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:02:42 ImpRootNode [2019-11-20 01:02:42,062 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:02:42,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:02:42,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:02:42,063 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:02:42,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:02:03" (3/4) ... [2019-11-20 01:02:42,068 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:02:42,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-20 01:02:42,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 01:02:42,075 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 01:02:42,075 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 01:02:42,075 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 01:02:42,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 01:02:42,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 01:02:42,076 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 01:02:42,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-20 01:02:42,086 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-20 01:02:42,087 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 01:02:42,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:02:42,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:02:42,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:02:42,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == waterLevel) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0)) || (1 == systemActive && pumpRunning == \old(pumpRunning)) [2019-11-20 01:02:42,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-20 01:02:42,125 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == systemActive || 0 == \old(pumpRunning)) || tmp == waterLevel) || !(pumpRunning == \old(pumpRunning))) || tmp == 0 [2019-11-20 01:02:42,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_70042d7d-e3f4-44c3-9e4d-be78c47b0f9a/bin/ukojak/witness.graphml [2019-11-20 01:02:42,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:02:42,184 INFO L168 Benchmark]: Toolchain (without parser) took 41388.18 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 541.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 411.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,184 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:02:42,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,186 INFO L168 Benchmark]: Boogie Preprocessor took 40.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,186 INFO L168 Benchmark]: RCFGBuilder took 1312.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,187 INFO L168 Benchmark]: CodeCheck took 39009.99 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 401.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 373.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,188 INFO L168 Benchmark]: Witness Printer took 119.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:02:42,190 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 9 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 38.3s, OverallIterations: 60, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1803706928 SDtfs, -1539098108 SDslu, -411800160 SDs, 0 SdLazy, -323137224 SolverSat, 1407479016 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 72.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28718 GetRequests, 28020 SyntacticMatches, 315 SemanticMatches, 383 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70479 ImplicationChecksByTransitivity, 30.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2406 NumberOfCodeBlocks, 2406 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 2347 ConstructedInterpolants, 0 QuantifiedInterpolants, 264650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 44 PerfectInterpolantSequences, 838/919 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: 111]: 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: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 799]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((0 == systemActive || 0 == \old(pumpRunning)) || tmp == waterLevel) || !(pumpRunning == \old(pumpRunning))) || tmp == 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == waterLevel) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel)) || !(pumpRunning == 0)) || (1 == systemActive && pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - 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 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 775.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -179.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1312.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * CodeCheck took 39009.99 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 401.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.6 MB). Peak memory consumption was 373.5 MB. Max. memory is 11.5 GB. * Witness Printer took 119.15 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...