./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/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 0.1.24-678e011 [2019-11-19 23:09:36,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:09:36,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:09:36,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:09:36,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:09:36,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:09:36,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:09:36,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:09:36,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:09:36,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:09:36,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:09:36,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:09:36,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:09:36,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:09:36,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:09:36,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:09:36,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:09:36,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:09:36,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:09:36,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:09:36,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:09:36,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:09:36,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:09:36,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:09:36,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:09:36,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:09:36,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:09:36,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:09:36,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:09:36,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:09:36,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:09:36,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:09:36,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:09:36,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:09:36,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:09:36,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:09:36,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:09:36,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:09:36,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:09:36,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:09:36,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:09:36,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 23:09:36,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:09:36,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:09:36,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:09:36,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:09:36,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:09:36,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:09:36,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:09:36,651 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:09:36,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:09:36,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:09:36,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:09:36,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:09:36,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:09:36,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:09:36,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:09:36,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:09:36,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:09:36,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:09:36,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:09:36,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:09:36,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:09:36,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:09:36,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:09:36,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:09:36,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:09:36,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:09:36,668 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:09:36,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:09:36,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:09:36,668 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_5bf44074-ebaa-4f4e-bd51-50b448a75d50/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 [2019-11-19 23:09:36,836 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:09:36,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:09:36,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:09:36,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:09:36,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:09:36,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-19 23:09:36,921 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/data/6b997f084/880037c62b8b40f6b29ab4871acd311c/FLAG7c0aa75e9 [2019-11-19 23:09:37,478 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:09:37,485 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2019-11-19 23:09:37,513 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/data/6b997f084/880037c62b8b40f6b29ab4871acd311c/FLAG7c0aa75e9 [2019-11-19 23:09:37,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/data/6b997f084/880037c62b8b40f6b29ab4871acd311c [2019-11-19 23:09:37,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:09:37,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:09:37,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:09:37,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:09:37,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:09:37,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:09:37" (1/1) ... [2019-11-19 23:09:37,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608095ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:37, skipping insertion in model container [2019-11-19 23:09:37,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:09:37" (1/1) ... [2019-11-19 23:09:37,778 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:09:37,832 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:09:38,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:09:38,277 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:09:38,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:09:38,397 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:09:38,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38 WrapperNode [2019-11-19 23:09:38,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:09:38,399 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:09:38,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:09:38,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:09:38,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:09:38,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:09:38,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:09:38,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:09:38,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... [2019-11-19 23:09:38,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:09:38,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:09:38,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:09:38,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:09:38,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:09:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/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 [2019-11-19 23:09:38,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 23:09:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-19 23:09:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-19 23:09:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-19 23:09:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-19 23:09:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-19 23:09:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-19 23:09:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-19 23:09:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-19 23:09:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-19 23:09:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-19 23:09:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-19 23:09:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-19 23:09:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-19 23:09:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-19 23:09:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-19 23:09:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-19 23:09:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 23:09:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-19 23:09:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-19 23:09:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:09:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:09:39,780 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:09:39,781 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-19 23:09:39,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:09:39 BoogieIcfgContainer [2019-11-19 23:09:39,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:09:39,783 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:09:39,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:09:39,797 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:09:39,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:09:39" (1/1) ... [2019-11-19 23:09:39,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:09:39,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:39,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2019-11-19 23:09:39,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2019-11-19 23:09:39,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-19 23:09:39,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 68 states and 89 transitions. [2019-11-19 23:09:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2019-11-19 23:09:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 23:09:40,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2019-11-19 23:09:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2019-11-19 23:09:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-19 23:09:40,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:40,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2019-11-19 23:09:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2019-11-19 23:09:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-19 23:09:40,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:40,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:40,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2019-11-19 23:09:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2019-11-19 23:09:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:09:40,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:40,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:40,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 82 states and 115 transitions. [2019-11-19 23:09:40,855 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2019-11-19 23:09:40,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 23:09:40,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:40,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2019-11-19 23:09:40,907 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2019-11-19 23:09:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-19 23:09:40,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:41,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 100 states and 153 transitions. [2019-11-19 23:09:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2019-11-19 23:09:41,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:09:41,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 101 states and 154 transitions. [2019-11-19 23:09:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2019-11-19 23:09:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:09:41,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:43,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:43,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 120 states and 194 transitions. [2019-11-19 23:09:43,318 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2019-11-19 23:09:43,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 23:09:43,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:43,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 124 states and 200 transitions. [2019-11-19 23:09:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 200 transitions. [2019-11-19 23:09:43,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 23:09:43,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 125 states and 201 transitions. [2019-11-19 23:09:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2019-11-19 23:09:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:09:43,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:43,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 128 states and 208 transitions. [2019-11-19 23:09:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 208 transitions. [2019-11-19 23:09:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 23:09:43,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 131 states and 215 transitions. [2019-11-19 23:09:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 215 transitions. [2019-11-19 23:09:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 23:09:44,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:44,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 136 states and 225 transitions. [2019-11-19 23:09:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2019-11-19 23:09:44,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 23:09:44,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:44,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:44,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 142 states and 240 transitions. [2019-11-19 23:09:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 240 transitions. [2019-11-19 23:09:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:09:44,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:44,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:45,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 144 states and 245 transitions. [2019-11-19 23:09:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 245 transitions. [2019-11-19 23:09:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:09:45,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:09:45,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:45,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 142 states and 239 transitions. [2019-11-19 23:09:45,117 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 239 transitions. [2019-11-19 23:09:45,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 23:09:45,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:45,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 146 states and 249 transitions. [2019-11-19 23:09:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 249 transitions. [2019-11-19 23:09:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-19 23:09:45,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:46,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 156 states and 275 transitions. [2019-11-19 23:09:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 275 transitions. [2019-11-19 23:09:46,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 23:09:46,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:46,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 154 states and 271 transitions. [2019-11-19 23:09:46,475 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 271 transitions. [2019-11-19 23:09:46,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 23:09:46,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:46,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 23:09:47,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:47,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 157 states and 277 transitions. [2019-11-19 23:09:47,724 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 277 transitions. [2019-11-19 23:09:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 23:09:47,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 163 states and 290 transitions. [2019-11-19 23:09:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 290 transitions. [2019-11-19 23:09:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-19 23:09:48,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 292 transitions. [2019-11-19 23:09:48,650 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 292 transitions. [2019-11-19 23:09:48,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 23:09:48,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 165 states and 294 transitions. [2019-11-19 23:09:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 294 transitions. [2019-11-19 23:09:48,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 23:09:48,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 23:09:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 173 states and 306 transitions. [2019-11-19 23:09:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 306 transitions. [2019-11-19 23:09:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-19 23:09:49,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 23:09:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 175 states and 307 transitions. [2019-11-19 23:09:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 307 transitions. [2019-11-19 23:09:49,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 23:09:49,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:49,605 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 23:09:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 176 states and 308 transitions. [2019-11-19 23:09:49,627 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 308 transitions. [2019-11-19 23:09:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 23:09:49,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 193 states and 354 transitions. [2019-11-19 23:09:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 354 transitions. [2019-11-19 23:09:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-19 23:09:52,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 195 states and 358 transitions. [2019-11-19 23:09:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 358 transitions. [2019-11-19 23:09:52,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 23:09:52,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 207 states and 391 transitions. [2019-11-19 23:09:54,870 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 391 transitions. [2019-11-19 23:09:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 23:09:54,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:55,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 209 states and 395 transitions. [2019-11-19 23:09:55,312 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 395 transitions. [2019-11-19 23:09:55,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-19 23:09:55,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 210 states and 396 transitions. [2019-11-19 23:09:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 396 transitions. [2019-11-19 23:09:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 23:09:55,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:55,611 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 213 states and 400 transitions. [2019-11-19 23:09:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 400 transitions. [2019-11-19 23:09:55,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 23:09:55,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:55,870 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:09:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 214 states and 401 transitions. [2019-11-19 23:09:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 401 transitions. [2019-11-19 23:09:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 23:09:55,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:09:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:09:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 230 states and 431 transitions. [2019-11-19 23:09:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 431 transitions. [2019-11-19 23:09:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 23:09:58,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:09:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:09:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:10:00,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 242 states and 453 transitions. [2019-11-19 23:10:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 453 transitions. [2019-11-19 23:10:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 23:10:00,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 23:10:00,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:00,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 245 states and 458 transitions. [2019-11-19 23:10:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 458 transitions. [2019-11-19 23:10:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 23:10:00,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:10:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 246 states and 459 transitions. [2019-11-19 23:10:00,946 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 459 transitions. [2019-11-19 23:10:00,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 23:10:00,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 23:10:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:03,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 254 states and 480 transitions. [2019-11-19 23:10:03,243 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 480 transitions. [2019-11-19 23:10:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 23:10:03,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 23:10:04,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 258 states and 482 transitions. [2019-11-19 23:10:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 482 transitions. [2019-11-19 23:10:04,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 23:10:04,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 23:10:04,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 259 states and 483 transitions. [2019-11-19 23:10:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 483 transitions. [2019-11-19 23:10:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 23:10:04,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:10:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 265 states and 497 transitions. [2019-11-19 23:10:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 497 transitions. [2019-11-19 23:10:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 23:10:05,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 23:10:07,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 273 states and 513 transitions. [2019-11-19 23:10:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 513 transitions. [2019-11-19 23:10:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-19 23:10:07,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 23:10:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:07,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 275 states and 514 transitions. [2019-11-19 23:10:07,422 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 514 transitions. [2019-11-19 23:10:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 23:10:07,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 23:10:07,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 276 states and 515 transitions. [2019-11-19 23:10:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 515 transitions. [2019-11-19 23:10:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-19 23:10:07,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-19 23:10:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 277 states and 518 transitions. [2019-11-19 23:10:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 518 transitions. [2019-11-19 23:10:07,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 23:10:07,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-19 23:10:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:08,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 280 states and 523 transitions. [2019-11-19 23:10:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 523 transitions. [2019-11-19 23:10:08,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-19 23:10:08,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:08,122 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:10:08,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:08,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 285 states and 530 transitions. [2019-11-19 23:10:08,382 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 530 transitions. [2019-11-19 23:10:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 23:10:08,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:10:08,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:08,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 283 states and 526 transitions. [2019-11-19 23:10:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 526 transitions. [2019-11-19 23:10:08,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-19 23:10:08,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:08,481 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:10:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 284 states and 529 transitions. [2019-11-19 23:10:09,012 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 529 transitions. [2019-11-19 23:10:09,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-19 23:10:09,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:10:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:09,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 287 states and 534 transitions. [2019-11-19 23:10:09,611 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 534 transitions. [2019-11-19 23:10:09,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-19 23:10:09,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:09,644 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:10:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 289 states and 537 transitions. [2019-11-19 23:10:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 537 transitions. [2019-11-19 23:10:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 23:10:09,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:09,714 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-19 23:10:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:10,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 293 states and 544 transitions. [2019-11-19 23:10:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 544 transitions. [2019-11-19 23:10:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 23:10:10,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:10:10,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 295 states and 547 transitions. [2019-11-19 23:10:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 547 transitions. [2019-11-19 23:10:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 23:10:10,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-19 23:10:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 297 states and 549 transitions. [2019-11-19 23:10:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 549 transitions. [2019-11-19 23:10:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 23:10:10,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 23:10:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 307 states and 567 transitions. [2019-11-19 23:10:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 567 transitions. [2019-11-19 23:10:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 23:10:12,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:10:12,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 301 states and 554 transitions. [2019-11-19 23:10:12,692 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 554 transitions. [2019-11-19 23:10:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 23:10:12,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 23:10:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 302 states and 556 transitions. [2019-11-19 23:10:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 556 transitions. [2019-11-19 23:10:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 23:10:14,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 23:10:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 302 states and 556 transitions. [2019-11-19 23:10:14,461 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 556 transitions. [2019-11-19 23:10:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 23:10:14,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:14,493 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 23:10:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 302 states and 556 transitions. [2019-11-19 23:10:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 556 transitions. [2019-11-19 23:10:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-19 23:10:14,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-19 23:10:14,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:14,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 302 states and 556 transitions. [2019-11-19 23:10:14,549 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 556 transitions. [2019-11-19 23:10:14,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 23:10:14,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:14,580 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-19 23:10:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:14,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 302 states and 554 transitions. [2019-11-19 23:10:14,923 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 554 transitions. [2019-11-19 23:10:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 23:10:14,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 23:10:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 307 states and 561 transitions. [2019-11-19 23:10:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 561 transitions. [2019-11-19 23:10:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-19 23:10:15,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-19 23:10:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 308 states and 562 transitions. [2019-11-19 23:10:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 562 transitions. [2019-11-19 23:10:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-19 23:10:15,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:15,792 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 23:10:16,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 310 states and 563 transitions. [2019-11-19 23:10:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 563 transitions. [2019-11-19 23:10:16,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 23:10:16,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:16,360 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-19 23:10:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 304 states and 551 transitions. [2019-11-19 23:10:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 551 transitions. [2019-11-19 23:10:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-19 23:10:16,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:10:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:17,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 310 states and 561 transitions. [2019-11-19 23:10:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 561 transitions. [2019-11-19 23:10:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-11-19 23:10:17,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:17,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:17,557 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-19 23:10:17,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:17,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 311 states and 562 transitions. [2019-11-19 23:10:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 562 transitions. [2019-11-19 23:10:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 23:10:17,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:17,665 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-19 23:10:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:17,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 308 states and 556 transitions. [2019-11-19 23:10:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 556 transitions. [2019-11-19 23:10:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-19 23:10:17,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 23:10:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 308 states and 554 transitions. [2019-11-19 23:10:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 554 transitions. [2019-11-19 23:10:17,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 23:10:17,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 23:10:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 295 states and 531 transitions. [2019-11-19 23:10:17,884 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 531 transitions. [2019-11-19 23:10:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 23:10:17,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:10:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 291 states and 523 transitions. [2019-11-19 23:10:18,569 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 523 transitions. [2019-11-19 23:10:18,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-11-19 23:10:18,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:10:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 293 states and 524 transitions. [2019-11-19 23:10:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 524 transitions. [2019-11-19 23:10:19,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 23:10:19,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:10:19,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:19,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 294 states and 525 transitions. [2019-11-19 23:10:19,192 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 525 transitions. [2019-11-19 23:10:19,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-19 23:10:19,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:19,232 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-19 23:10:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:19,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 292 states and 513 transitions. [2019-11-19 23:10:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 513 transitions. [2019-11-19 23:10:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-19 23:10:19,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:10:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:10:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-19 23:10:21,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:10:21,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 155 states and 212 transitions. [2019-11-19 23:10:21,117 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2019-11-19 23:10:21,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:10:21,118 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 77 iterations. [2019-11-19 23:10:21,131 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 23:10:21,843 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,849 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,849 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2019-11-19 23:10:21,854 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-11-19 23:10:21,856 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,856 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,856 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,857 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-19 23:10:21,858 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,858 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-19 23:10:21,858 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-19 23:10:21,859 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,859 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:10:21,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:10:21 ImpRootNode [2019-11-19 23:10:21,860 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:10:21,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:10:21,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:10:21,860 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:10:21,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:09:39" (3/4) ... [2019-11-19 23:10:21,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:10:21,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-19 23:10:21,871 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-19 23:10:21,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-19 23:10:21,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-19 23:10:21,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-19 23:10:21,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-19 23:10:21,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-19 23:10:21,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-19 23:10:21,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-19 23:10:21,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-19 23:10:21,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-19 23:10:21,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-19 23:10:21,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:10:21,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:10:21,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 23:10:21,942 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || (!(0 == systemActive) && !(pumpRunning == 0))) || (!(0 == methaneLevelCritical) && !(pumpRunning == 0)) [2019-11-19 23:10:21,944 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-19 23:10:21,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || (!(0 == systemActive) && !(0 == tmp))) || (!(pumpRunning == 0) && !(0 == tmp)) [2019-11-19 23:10:21,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == systemActive || pumpRunning == \old(pumpRunning)) || 0 == methaneLevelCritical) || pumpRunning == 0 [2019-11-19 23:10:22,004 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5bf44074-ebaa-4f4e-bd51-50b448a75d50/bin/ukojak/witness.graphml [2019-11-19 23:10:22,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:10:22,006 INFO L168 Benchmark]: Toolchain (without parser) took 44244.61 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 681.6 MB). Free memory was 947.4 MB in the beginning and 781.8 MB in the end (delta: 165.6 MB). Peak memory consumption was 847.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:22,007 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:10:22,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:22,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:10:22,008 INFO L168 Benchmark]: Boogie Preprocessor took 77.17 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:22,008 INFO L168 Benchmark]: RCFGBuilder took 1241.54 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: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:22,009 INFO L168 Benchmark]: CodeCheck took 42076.93 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 555.2 MB). Free memory was 1.0 GB in the beginning and 804.9 MB in the end (delta: 213.8 MB). Peak memory consumption was 769.0 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:22,009 INFO L168 Benchmark]: Witness Printer took 144.30 ms. Allocated memory is still 1.7 GB. Free memory was 804.9 MB in the beginning and 781.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:10:22,012 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: 41.2s, OverallIterations: 77, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 551562392 SDtfs, 901571704 SDslu, -1035569064 SDs, 0 SdLazy, 1989725924 SolverSat, 1606190820 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43690 GetRequests, 42911 SyntacticMatches, 364 SemanticMatches, 415 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80448 ImplicationChecksByTransitivity, 33.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 3968 NumberOfCodeBlocks, 3968 NumberOfCodeBlocksAsserted, 76 NumberOfCheckSat, 3892 ConstructedInterpolants, 0 QuantifiedInterpolants, 438212 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 76 InterpolantComputations, 57 PerfectInterpolantSequences, 1734/1837 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: ((0 == systemActive || pumpRunning == \old(pumpRunning)) || 0 == methaneLevelCritical) || pumpRunning == 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || (!(pumpRunning == \old(pumpRunning)) && !(0 == tmp))) || (!(0 == systemActive) && !(0 == tmp))) || (!(pumpRunning == 0) && !(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: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 636.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.17 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1241.54 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: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * CodeCheck took 42076.93 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 555.2 MB). Free memory was 1.0 GB in the beginning and 804.9 MB in the end (delta: 213.8 MB). Peak memory consumption was 769.0 MB. Max. memory is 11.5 GB. * Witness Printer took 144.30 ms. Allocated memory is still 1.7 GB. Free memory was 804.9 MB in the beginning and 781.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...