./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:01:22,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:22,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:22,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:22,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:22,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:22,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:22,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:22,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:22,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:22,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:22,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:22,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:22,733 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:22,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:22,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:22,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:22,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:22,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:22,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:22,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:22,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:22,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:22,744 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:22,747 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:22,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:22,748 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:22,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:22,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:22,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:22,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:22,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:22,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:22,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:22,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:22,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:22,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:22,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:22,755 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:22,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:22,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:22,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 03:01:22,773 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:22,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:22,778 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:01:22,778 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 03:01:22,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 03:01:22,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 03:01:22,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:22,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:22,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:22,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:22,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:22,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:01:22,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:22,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:01:22,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:22,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:01:22,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 03:01:22,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:01:22,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 03:01:22,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 03:01:22,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:22,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:22,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 03:01:22,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:22,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:22,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:01:22,783 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 03:01:22,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:01:22,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:01:22,784 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_18b14056-2d20-4fc9-90ca-a2d6708ec605/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-11-26 03:01:22,918 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:22,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:22,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:22,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:22,936 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:22,937 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-26 03:01:22,986 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/data/69030a434/d5f147cc0a1147519bfb6369f9e59d60/FLAG9db324466 [2019-11-26 03:01:23,418 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:23,419 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-26 03:01:23,430 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/data/69030a434/d5f147cc0a1147519bfb6369f9e59d60/FLAG9db324466 [2019-11-26 03:01:23,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/data/69030a434/d5f147cc0a1147519bfb6369f9e59d60 [2019-11-26 03:01:23,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:23,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:23,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:23,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:23,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:23,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:23,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4291812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23, skipping insertion in model container [2019-11-26 03:01:23,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:23,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:23,502 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:23,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:23,881 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:23,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:23,984 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:23,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23 WrapperNode [2019-11-26 03:01:23,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:23,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:23,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:23,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:23,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,011 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:24,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:24,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:24,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:24,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... [2019-11-26 03:01:24,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:24,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:24,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:24,070 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:24,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/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 [2019-11-26 03:01:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:01:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 03:01:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 03:01:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 03:01:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 03:01:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 03:01:24,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 03:01:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 03:01:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 03:01:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 03:01:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 03:01:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 03:01:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 03:01:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 03:01:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:24,968 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:24,968 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 03:01:24,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:24 BoogieIcfgContainer [2019-11-26 03:01:24,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:24,970 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 03:01:24,970 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 03:01:24,981 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 03:01:24,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:24" (1/1) ... [2019-11-26 03:01:24,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:25,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-26 03:01:25,039 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-26 03:01:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 03:01:25,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:25,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:25,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-26 03:01:25,316 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-26 03:01:25,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 03:01:25,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-26 03:01:25,443 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-26 03:01:25,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 03:01:25,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:25,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-11-26 03:01:25,719 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-11-26 03:01:25,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 03:01:25,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2019-11-26 03:01:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2019-11-26 03:01:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 03:01:26,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:26,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2019-11-26 03:01:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2019-11-26 03:01:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 03:01:26,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:27,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2019-11-26 03:01:27,016 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2019-11-26 03:01:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 03:01:27,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 85 states and 135 transitions. [2019-11-26 03:01:27,083 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2019-11-26 03:01:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 03:01:27,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:27,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2019-11-26 03:01:27,152 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2019-11-26 03:01:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 03:01:27,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:27,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-11-26 03:01:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-11-26 03:01:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 03:01:27,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:27,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-11-26 03:01:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-11-26 03:01:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 03:01:27,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:27,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2019-11-26 03:01:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2019-11-26 03:01:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 03:01:27,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:27,828 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 03:01:28,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:28,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2019-11-26 03:01:28,116 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-11-26 03:01:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 03:01:28,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 03:01:28,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:28,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2019-11-26 03:01:28,174 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2019-11-26 03:01:28,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 03:01:28,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 03:01:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2019-11-26 03:01:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2019-11-26 03:01:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 03:01:29,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 03:01:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 191 transitions. [2019-11-26 03:01:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 191 transitions. [2019-11-26 03:01:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 03:01:30,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 03:01:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:30,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2019-11-26 03:01:30,412 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2019-11-26 03:01:30,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 03:01:30,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:30,443 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 03:01:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 116 states and 196 transitions. [2019-11-26 03:01:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2019-11-26 03:01:30,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 03:01:30,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 03:01:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:30,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 197 transitions. [2019-11-26 03:01:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 197 transitions. [2019-11-26 03:01:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 03:01:30,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 03:01:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 134 states and 248 transitions. [2019-11-26 03:01:32,359 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2019-11-26 03:01:32,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 03:01:32,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 03:01:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 249 transitions. [2019-11-26 03:01:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 249 transitions. [2019-11-26 03:01:32,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 03:01:32,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 03:01:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:32,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 136 states and 250 transitions. [2019-11-26 03:01:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2019-11-26 03:01:32,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 03:01:32,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 03:01:34,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2019-11-26 03:01:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2019-11-26 03:01:34,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-26 03:01:34,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 03:01:34,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2019-11-26 03:01:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2019-11-26 03:01:34,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-26 03:01:34,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-26 03:01:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:36,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2019-11-26 03:01:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2019-11-26 03:01:36,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 03:01:36,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 03:01:36,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 151 states and 289 transitions. [2019-11-26 03:01:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 289 transitions. [2019-11-26 03:01:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 03:01:36,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:01:37,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 157 states and 302 transitions. [2019-11-26 03:01:37,010 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 302 transitions. [2019-11-26 03:01:37,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-26 03:01:37,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-26 03:01:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:37,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 157 states and 301 transitions. [2019-11-26 03:01:37,088 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 301 transitions. [2019-11-26 03:01:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-26 03:01:37,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:37,131 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 03:01:37,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 159 states and 304 transitions. [2019-11-26 03:01:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 304 transitions. [2019-11-26 03:01:37,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 03:01:37,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:37,376 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-26 03:01:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 161 states and 305 transitions. [2019-11-26 03:01:37,818 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 305 transitions. [2019-11-26 03:01:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-26 03:01:37,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 03:01:39,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 172 states and 327 transitions. [2019-11-26 03:01:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 327 transitions. [2019-11-26 03:01:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 03:01:39,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:39,657 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-26 03:01:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:39,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 173 states and 328 transitions. [2019-11-26 03:01:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2019-11-26 03:01:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 03:01:39,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-26 03:01:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 169 states and 318 transitions. [2019-11-26 03:01:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2019-11-26 03:01:39,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-26 03:01:39,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 03:01:39,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 162 states and 305 transitions. [2019-11-26 03:01:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 305 transitions. [2019-11-26 03:01:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-26 03:01:39,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 03:01:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:40,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2019-11-26 03:01:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2019-11-26 03:01:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-26 03:01:40,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-26 03:01:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 76 states and 107 transitions. [2019-11-26 03:01:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-26 03:01:40,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 03:01:40,802 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-11-26 03:01:40,810 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 03:01:41,153 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,157 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 03:01:41,162 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,162 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,162 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,162 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,162 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,163 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-26 03:01:41,164 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,164 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-26 03:01:41,168 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 03:01:41,169 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 03:01:41,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 03:01:41 ImpRootNode [2019-11-26 03:01:41,171 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 03:01:41,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:01:41,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:01:41,172 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:01:41,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:24" (3/4) ... [2019-11-26 03:01:41,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 03:01:41,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 03:01:41,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 03:01:41,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-26 03:01:41,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 03:01:41,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 03:01:41,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 03:01:41,199 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-26 03:01:41,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-11-26 03:01:41,200 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 03:01:41,201 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 03:01:41,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 03:01:41,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:41,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 03:01:41,238 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-26 03:01:41,239 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-11-26 03:01:41,240 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0) [2019-11-26 03:01:41,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18b14056-2d20-4fc9-90ca-a2d6708ec605/bin/ukojak/witness.graphml [2019-11-26 03:01:41,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:01:41,301 INFO L168 Benchmark]: Toolchain (without parser) took 17857.47 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 469.8 MB). Free memory was 946.1 MB in the beginning and 1.4 GB in the end (delta: -488.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:41,301 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:41,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:41,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.10 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:41,302 INFO L168 Benchmark]: Boogie Preprocessor took 30.08 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. [2019-11-26 03:01:41,302 INFO L168 Benchmark]: RCFGBuilder took 899.28 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:41,303 INFO L168 Benchmark]: CodeCheck took 16201.21 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 321.4 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -380.9 MB). Peak memory consumption was 487.7 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:41,303 INFO L168 Benchmark]: Witness Printer took 127.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:41,305 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 7 procedures, 47 locations, 1 error locations. Result: SAFE, OverallTime: 15.7s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1445220880 SDtfs, -654103714 SDslu, -206452024 SDs, 0 SdLazy, -1419665586 SolverSat, 511123892 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15933 GetRequests, 15558 SyntacticMatches, 141 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22260 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1589 NumberOfCodeBlocks, 1589 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1554 ConstructedInterpolants, 0 QuantifiedInterpolants, 161179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 679/751 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: 518]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) || 0 == tmp) || methaneLevelCritical == tmp) || !(pumpRunning == 0) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 541.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.10 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: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.08 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. * RCFGBuilder took 899.28 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * CodeCheck took 16201.21 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 321.4 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -380.9 MB). Peak memory consumption was 487.7 MB. Max. memory is 11.5 GB. * Witness Printer took 127.44 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...