./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/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 b49fd66662c490ea81dc99d4f21b657b1bc3f920 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:08:23,837 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:08:23,838 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:08:23,847 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:08:23,847 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:08:23,848 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:08:23,849 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:08:23,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:08:23,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:08:23,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:08:23,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:08:23,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:08:23,854 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:08:23,855 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:08:23,856 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:08:23,857 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:08:23,858 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:08:23,859 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:08:23,861 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:08:23,862 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:08:23,863 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:08:23,864 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:08:23,866 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:08:23,866 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:08:23,867 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:08:23,867 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:08:23,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:08:23,869 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:08:23,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:08:23,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:08:23,871 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:08:23,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:08:23,872 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:08:23,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:08:23,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:08:23,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:08:23,874 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:08:23,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:08:23,886 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:08:23,887 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:08:23,887 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:08:23,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:08:23,888 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:08:23,888 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:08:23,888 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:08:23,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:08:23,889 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:08:23,890 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:08:23,890 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:08:23,890 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:08:23,890 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:08:23,890 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:08:23,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:08:23,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:08:23,891 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:08:23,891 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:08:23,891 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:08:23,891 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:08:23,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:08:23,891 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/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 -> b49fd66662c490ea81dc99d4f21b657b1bc3f920 [2018-10-27 00:08:23,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:08:23,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:08:23,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:08:23,933 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:08:23,933 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:08:23,934 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-10-27 00:08:23,977 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/data/c916e40e2/3b1300cecb204afa97ec56ce4fa44064/FLAG9920f741a [2018-10-27 00:08:24,399 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:08:24,399 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/sv-benchmarks/c/product-lines/minepump_spec1_product27_true-unreach-call_false-termination.cil.c [2018-10-27 00:08:24,410 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/data/c916e40e2/3b1300cecb204afa97ec56ce4fa44064/FLAG9920f741a [2018-10-27 00:08:24,421 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/data/c916e40e2/3b1300cecb204afa97ec56ce4fa44064 [2018-10-27 00:08:24,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:08:24,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:08:24,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:08:24,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:08:24,429 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:08:24,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d51faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24, skipping insertion in model container [2018-10-27 00:08:24,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:08:24,475 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:08:24,682 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:08:24,691 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:08:24,749 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:08:24,771 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:08:24,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24 WrapperNode [2018-10-27 00:08:24,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:08:24,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:08:24,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:08:24,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:08:24,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:08:24,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:08:24,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:08:24,895 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:08:24,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,909 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... [2018-10-27 00:08:24,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:08:24,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:08:24,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:08:24,924 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:08:24,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:08:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/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 [2018-10-27 00:08:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-27 00:08:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-27 00:08:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-27 00:08:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-27 00:08:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-27 00:08:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-27 00:08:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-27 00:08:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-27 00:08:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-27 00:08:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-27 00:08:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-27 00:08:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-27 00:08:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-27 00:08:24,987 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-27 00:08:24,987 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-27 00:08:24,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:08:24,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:08:27,233 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:08:27,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:08:27 BoogieIcfgContainer [2018-10-27 00:08:27,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:08:27,234 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:08:27,234 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:08:27,244 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:08:27,244 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:08:27" (1/1) ... [2018-10-27 00:08:27,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:08:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-10-27 00:08:27,309 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-10-27 00:08:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 00:08:27,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2018-10-27 00:08:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2018-10-27 00:08:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 00:08:27,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:27,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:27,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-10-27 00:08:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-10-27 00:08:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:08:27,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-10-27 00:08:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-10-27 00:08:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:08:28,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:28,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-10-27 00:08:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-10-27 00:08:28,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 00:08:28,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:28,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-10-27 00:08:28,573 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-10-27 00:08:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 00:08:28,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-10-27 00:08:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-10-27 00:08:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 00:08:28,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 139 transitions. [2018-10-27 00:08:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2018-10-27 00:08:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:08:29,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:29,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:29,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 94 states and 140 transitions. [2018-10-27 00:08:29,485 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 140 transitions. [2018-10-27 00:08:29,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-27 00:08:29,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:29,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 100 states and 152 transitions. [2018-10-27 00:08:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 152 transitions. [2018-10-27 00:08:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:08:29,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 112 states and 176 transitions. [2018-10-27 00:08:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 176 transitions. [2018-10-27 00:08:30,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:08:30,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 119 states and 191 transitions. [2018-10-27 00:08:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 191 transitions. [2018-10-27 00:08:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:08:31,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 121 states and 193 transitions. [2018-10-27 00:08:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2018-10-27 00:08:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 00:08:31,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 132 states and 210 transitions. [2018-10-27 00:08:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 210 transitions. [2018-10-27 00:08:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:08:32,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:32,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:32,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 133 states and 211 transitions. [2018-10-27 00:08:32,186 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2018-10-27 00:08:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-27 00:08:32,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:08:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 134 states and 213 transitions. [2018-10-27 00:08:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2018-10-27 00:08:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-27 00:08:32,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:08:32,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 142 states and 231 transitions. [2018-10-27 00:08:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 231 transitions. [2018-10-27 00:08:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:08:32,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:08:32,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:32,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 143 states and 232 transitions. [2018-10-27 00:08:32,719 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 232 transitions. [2018-10-27 00:08:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:08:32,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:32,748 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:08:32,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:32,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 141 states and 228 transitions. [2018-10-27 00:08:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2018-10-27 00:08:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-27 00:08:32,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:08:33,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 144 states and 235 transitions. [2018-10-27 00:08:33,386 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 235 transitions. [2018-10-27 00:08:33,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-27 00:08:33,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-27 00:08:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 147 states and 240 transitions. [2018-10-27 00:08:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 240 transitions. [2018-10-27 00:08:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:08:35,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:08:36,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:36,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 153 states and 254 transitions. [2018-10-27 00:08:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 254 transitions. [2018-10-27 00:08:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:08:36,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:36,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-27 00:08:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 154 states and 255 transitions. [2018-10-27 00:08:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2018-10-27 00:08:36,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:08:36,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:08:37,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:37,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 162 states and 268 transitions. [2018-10-27 00:08:37,046 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 268 transitions. [2018-10-27 00:08:37,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:08:37,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:37,072 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:08:37,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 165 states and 270 transitions. [2018-10-27 00:08:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 270 transitions. [2018-10-27 00:08:37,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:08:37,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:37,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 168 states and 272 transitions. [2018-10-27 00:08:37,709 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2018-10-27 00:08:37,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-27 00:08:37,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 169 states and 272 transitions. [2018-10-27 00:08:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 272 transitions. [2018-10-27 00:08:37,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:08:37,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:37,773 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:08:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 170 states and 273 transitions. [2018-10-27 00:08:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 273 transitions. [2018-10-27 00:08:37,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:08:37,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 187 states and 312 transitions. [2018-10-27 00:08:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 312 transitions. [2018-10-27 00:08:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-27 00:08:39,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 190 states and 314 transitions. [2018-10-27 00:08:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2018-10-27 00:08:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:08:40,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:08:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 191 states and 314 transitions. [2018-10-27 00:08:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 314 transitions. [2018-10-27 00:08:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 00:08:40,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 195 states and 316 transitions. [2018-10-27 00:08:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 316 transitions. [2018-10-27 00:08:41,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:08:41,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:41,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 198 states and 318 transitions. [2018-10-27 00:08:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 318 transitions. [2018-10-27 00:08:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:08:41,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:41,817 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:43,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:43,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 208 states and 339 transitions. [2018-10-27 00:08:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 339 transitions. [2018-10-27 00:08:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-27 00:08:43,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 207 states and 336 transitions. [2018-10-27 00:08:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-10-27 00:08:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:08:43,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:43,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 208 states and 337 transitions. [2018-10-27 00:08:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 337 transitions. [2018-10-27 00:08:43,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-27 00:08:43,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-27 00:08:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 211 states and 341 transitions. [2018-10-27 00:08:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 341 transitions. [2018-10-27 00:08:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-27 00:08:44,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 00:08:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:44,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 209 states and 337 transitions. [2018-10-27 00:08:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 337 transitions. [2018-10-27 00:08:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-27 00:08:44,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:08:44,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 215 states and 346 transitions. [2018-10-27 00:08:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 346 transitions. [2018-10-27 00:08:44,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-27 00:08:44,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-27 00:08:45,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 219 states and 348 transitions. [2018-10-27 00:08:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 348 transitions. [2018-10-27 00:08:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-27 00:08:45,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:08:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 223 states and 355 transitions. [2018-10-27 00:08:45,625 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 355 transitions. [2018-10-27 00:08:45,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-27 00:08:45,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-27 00:08:45,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 171 states and 256 transitions. [2018-10-27 00:08:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2018-10-27 00:08:45,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-27 00:08:45,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:08:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 172 states and 256 transitions. [2018-10-27 00:08:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 256 transitions. [2018-10-27 00:08:45,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 00:08:45,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:45,841 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:08:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 170 states and 252 transitions. [2018-10-27 00:08:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 252 transitions. [2018-10-27 00:08:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-27 00:08:45,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:45,977 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:08:46,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 171 states and 255 transitions. [2018-10-27 00:08:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2018-10-27 00:08:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-27 00:08:46,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 00:08:46,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 173 states and 258 transitions. [2018-10-27 00:08:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2018-10-27 00:08:46,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:08:46,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:46,854 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:08:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:47,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 174 states and 258 transitions. [2018-10-27 00:08:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 258 transitions. [2018-10-27 00:08:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-27 00:08:47,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:47,151 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:08:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 176 states and 260 transitions. [2018-10-27 00:08:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 260 transitions. [2018-10-27 00:08:47,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-27 00:08:47,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:47,331 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-27 00:08:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 167 states and 243 transitions. [2018-10-27 00:08:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 243 transitions. [2018-10-27 00:08:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-27 00:08:47,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:08:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 169 states and 246 transitions. [2018-10-27 00:08:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 246 transitions. [2018-10-27 00:08:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-27 00:08:47,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-27 00:08:48,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 170 states and 247 transitions. [2018-10-27 00:08:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 247 transitions. [2018-10-27 00:08:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-27 00:08:48,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:08:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:08:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-10-27 00:08:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:08:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 100 states and 132 transitions. [2018-10-27 00:08:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 132 transitions. [2018-10-27 00:08:48,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:08:48,527 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 52 iterations. [2018-10-27 00:08:48,534 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:08:48,763 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-27 00:08:48,768 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,769 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,769 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,769 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-27 00:08:48,769 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,770 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-27 00:08:48,770 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,770 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,770 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,771 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,771 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-27 00:08:48,771 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,771 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,771 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:08:48,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:08:48 ImpRootNode [2018-10-27 00:08:48,772 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:08:48,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:08:48,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:08:48,775 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:08:48,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:08:27" (3/4) ... [2018-10-27 00:08:48,780 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:08:48,785 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-27 00:08:48,785 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-27 00:08:48,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-27 00:08:48,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-27 00:08:48,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-27 00:08:48,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-27 00:08:48,786 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-27 00:08:48,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-10-27 00:08:48,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-10-27 00:08:48,793 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-27 00:08:48,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) [2018-10-27 00:08:48,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) [2018-10-27 00:08:48,862 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0b7a504-f1bd-483d-a37d-638f26957e19/bin-2019/ukojak/witness.graphml [2018-10-27 00:08:48,862 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:08:48,862 INFO L168 Benchmark]: Toolchain (without parser) took 24437.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.4 MB). Free memory was 959.7 MB in the beginning and 879.7 MB in the end (delta: 79.9 MB). Peak memory consumption was 369.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,863 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:08:48,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -216.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,866 INFO L168 Benchmark]: Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,866 INFO L168 Benchmark]: RCFGBuilder took 2310.50 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: 96.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,866 INFO L168 Benchmark]: CodeCheck took 21540.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 888.1 MB in the end (delta: 162.5 MB). Peak memory consumption was 298.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,866 INFO L168 Benchmark]: Witness Printer took 87.27 ms. Allocated memory is still 1.3 GB. Free memory was 888.1 MB in the beginning and 879.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:08:48,868 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 118 locations, 1 error locations. SAFE Result, 21.2s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 175461412 SDtfs, -2043645140 SDslu, -1769785124 SDs, 0 SdLazy, 1004929244 SolverSat, 1114602036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 74.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21068 GetRequests, 20524 SyntacticMatches, 292 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27305 ImplicationChecksByTransitivity, 16.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 2270 NumberOfCodeBlocks, 2270 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 2219 ConstructedInterpolants, 0 QuantifiedInterpolants, 223170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 41 PerfectInterpolantSequences, 838/890 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 82]: 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: 192]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) && !(systemActive == 0)) || pumpRunning == \old(pumpRunning)) || (!(0 == pumpRunning) && !(0 == methaneLevelCritical)) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.24 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 122.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -216.6 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2310.50 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: 96.1 MB). Peak memory consumption was 96.1 MB. Max. memory is 11.5 GB. * CodeCheck took 21540.01 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 136.3 MB). Free memory was 1.1 GB in the beginning and 888.1 MB in the end (delta: 162.5 MB). Peak memory consumption was 298.8 MB. Max. memory is 11.5 GB. * Witness Printer took 87.27 ms. Allocated memory is still 1.3 GB. Free memory was 888.1 MB in the beginning and 879.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...