./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/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 9a9facaada73db60539ede7a668b71ce2a4ae420 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:49:55,996 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:49:55,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:49:56,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:49:56,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:49:56,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:49:56,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:49:56,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:49:56,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:49:56,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:49:56,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:49:56,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:49:56,009 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:49:56,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:49:56,011 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:49:56,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:49:56,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:49:56,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:49:56,015 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:49:56,016 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:49:56,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:49:56,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:49:56,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:49:56,019 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:49:56,019 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:49:56,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:49:56,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:49:56,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:49:56,022 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:49:56,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:49:56,023 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:49:56,023 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:49:56,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:49:56,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:49:56,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:49:56,025 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:49:56,025 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:49:56,035 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:49:56,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:49:56,036 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:49:56,036 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:49:56,036 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:49:56,037 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:49:56,037 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:49:56,037 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:49:56,037 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:49:56,037 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:49:56,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:49:56,038 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:49:56,038 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:49:56,038 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:49:56,038 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:49:56,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:49:56,038 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:49:56,039 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:49:56,039 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:49:56,039 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:49:56,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:49:56,039 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:49:56,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:49:56,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:49:56,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:49:56,040 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:49:56,040 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:49:56,040 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:49:56,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:49:56,040 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_19f82596-274f-46a5-b002-44433d662187/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 -> 9a9facaada73db60539ede7a668b71ce2a4ae420 [2018-11-18 17:49:56,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:49:56,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:49:56,074 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:49:56,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:49:56,076 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:49:56,076 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-18 17:49:56,118 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/data/5603c66c6/78089a1f64aa4a8482ea4d1aeff8336c/FLAG1f70916db [2018-11-18 17:49:56,443 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:49:56,443 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/sv-benchmarks/c/product-lines/minepump_spec2_product26_true-unreach-call_false-termination.cil.c [2018-11-18 17:49:56,450 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/data/5603c66c6/78089a1f64aa4a8482ea4d1aeff8336c/FLAG1f70916db [2018-11-18 17:49:56,458 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/data/5603c66c6/78089a1f64aa4a8482ea4d1aeff8336c [2018-11-18 17:49:56,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:49:56,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:49:56,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:49:56,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:49:56,465 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:49:56,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56, skipping insertion in model container [2018-11-18 17:49:56,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:49:56,501 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:49:56,694 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:49:56,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:49:56,807 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:49:56,828 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:49:56,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56 WrapperNode [2018-11-18 17:49:56,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:49:56,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:49:56,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:49:56,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:49:56,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:49:56,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:49:56,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:49:56,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:49:56,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... [2018-11-18 17:49:56,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:49:56,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:49:56,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:49:56,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:49:56,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:49:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/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 [2018-11-18 17:49:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:49:56,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:49:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:49:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:49:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:49:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:49:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:49:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:49:56,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:49:56,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:49:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:49:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:49:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:49:56,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:49:56,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:49:57,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:49:57,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:49:57 BoogieIcfgContainer [2018-11-18 17:49:57,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:49:57,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:49:57,675 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:49:57,682 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:49:57,683 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:49:57" (1/1) ... [2018-11-18 17:49:57,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:49:57,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2018-11-18 17:49:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2018-11-18 17:49:57,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 17:49:57,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:57,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2018-11-18 17:49:57,902 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2018-11-18 17:49:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 17:49:57,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:58,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2018-11-18 17:49:58,009 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2018-11-18 17:49:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 17:49:58,009 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:58,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:58,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-11-18 17:49:58,307 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-11-18 17:49:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:49:58,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2018-11-18 17:49:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2018-11-18 17:49:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:49:58,625 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 80 states and 118 transitions. [2018-11-18 17:49:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2018-11-18 17:49:58,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 17:49:58,679 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:58,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2018-11-18 17:49:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2018-11-18 17:49:58,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:49:58,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:59,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 138 transitions. [2018-11-18 17:49:59,043 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 138 transitions. [2018-11-18 17:49:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 17:49:59,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:49:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 92 states and 139 transitions. [2018-11-18 17:49:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 139 transitions. [2018-11-18 17:49:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 17:49:59,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:59,146 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:49:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 99 states and 152 transitions. [2018-11-18 17:49:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2018-11-18 17:49:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 17:49:59,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:49:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 148 transitions. [2018-11-18 17:49:59,353 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 148 transitions. [2018-11-18 17:49:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 17:49:59,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:49:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:49:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 100 states and 155 transitions. [2018-11-18 17:49:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2018-11-18 17:49:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:49:59,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:49:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:49:59,918 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:50:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:00,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 103 states and 157 transitions. [2018-11-18 17:50:00,025 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2018-11-18 17:50:00,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 17:50:00,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:50:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 119 states and 195 transitions. [2018-11-18 17:50:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2018-11-18 17:50:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 17:50:01,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:50:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 200 transitions. [2018-11-18 17:50:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 200 transitions. [2018-11-18 17:50:02,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:50:02,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:02,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:50:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:02,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 204 transitions. [2018-11-18 17:50:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2018-11-18 17:50:02,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:50:02,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:50:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:03,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 129 states and 223 transitions. [2018-11-18 17:50:03,234 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 223 transitions. [2018-11-18 17:50:03,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 17:50:03,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:50:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 132 states and 226 transitions. [2018-11-18 17:50:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 226 transitions. [2018-11-18 17:50:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:50:03,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:50:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 145 states and 255 transitions. [2018-11-18 17:50:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 255 transitions. [2018-11-18 17:50:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:50:04,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:04,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:50:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 148 states and 260 transitions. [2018-11-18 17:50:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 260 transitions. [2018-11-18 17:50:04,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 17:50:04,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:04,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 17:50:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 149 states and 261 transitions. [2018-11-18 17:50:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 261 transitions. [2018-11-18 17:50:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:50:04,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:50:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 132 states and 211 transitions. [2018-11-18 17:50:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 211 transitions. [2018-11-18 17:50:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:50:05,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 17:50:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:06,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 134 states and 214 transitions. [2018-11-18 17:50:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 214 transitions. [2018-11-18 17:50:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 17:50:06,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:06,094 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:50:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 135 states and 215 transitions. [2018-11-18 17:50:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 215 transitions. [2018-11-18 17:50:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 17:50:06,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:50:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 152 states and 254 transitions. [2018-11-18 17:50:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 254 transitions. [2018-11-18 17:50:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 17:50:08,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:08,602 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:50:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:08,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 155 states and 257 transitions. [2018-11-18 17:50:08,876 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 257 transitions. [2018-11-18 17:50:08,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-18 17:50:08,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:50:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 163 states and 271 transitions. [2018-11-18 17:50:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 271 transitions. [2018-11-18 17:50:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:50:09,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:50:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 164 states and 272 transitions. [2018-11-18 17:50:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 272 transitions. [2018-11-18 17:50:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-18 17:50:09,891 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:09,920 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:50:09,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 158 states and 259 transitions. [2018-11-18 17:50:09,953 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 259 transitions. [2018-11-18 17:50:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 17:50:09,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:09,984 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:50:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 160 states and 264 transitions. [2018-11-18 17:50:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 264 transitions. [2018-11-18 17:50:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 17:50:10,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 43 proven. 32 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:50:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 162 states and 269 transitions. [2018-11-18 17:50:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 269 transitions. [2018-11-18 17:50:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 17:50:10,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:10,674 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:50:11,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 169 states and 280 transitions. [2018-11-18 17:50:11,437 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 280 transitions. [2018-11-18 17:50:11,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 17:50:11,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:50:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 170 states and 281 transitions. [2018-11-18 17:50:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 281 transitions. [2018-11-18 17:50:11,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 17:50:11,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 17:50:11,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 172 states and 284 transitions. [2018-11-18 17:50:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 284 transitions. [2018-11-18 17:50:11,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 17:50:11,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:11,988 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-11-18 17:50:12,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:12,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 173 states and 285 transitions. [2018-11-18 17:50:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 285 transitions. [2018-11-18 17:50:12,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:50:12,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:50:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:50:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-18 17:50:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:50:12,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 110 states and 158 transitions. [2018-11-18 17:50:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2018-11-18 17:50:12,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:50:12,106 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-18 17:50:12,114 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:50:12,347 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,349 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:50:12,351 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,352 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:50:12,353 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,353 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 17:50:12,354 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:50:12,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:50:12 ImpRootNode [2018-11-18 17:50:12,354 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:50:12,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:50:12,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:50:12,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:50:12,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:49:57" (3/4) ... [2018-11-18 17:50:12,358 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:50:12,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:50:12,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:50:12,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:50:12,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:50:12,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:50:12,362 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:50:12,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2018-11-18 17:50:12,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:50:12,366 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:50:12,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning [2018-11-18 17:50:12,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) [2018-11-18 17:50:12,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(0 == tmp))) || (!(\old(pumpRunning) == pumpRunning) && !(0 == tmp)) [2018-11-18 17:50:12,420 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_19f82596-274f-46a5-b002-44433d662187/bin-2019/ukojak/witness.graphml [2018-11-18 17:50:12,420 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:50:12,421 INFO L168 Benchmark]: Toolchain (without parser) took 15960.56 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.7 MB). Free memory was 956.6 MB in the beginning and 837.2 MB in the end (delta: 119.4 MB). Peak memory consumption was 513.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,422 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:50:12,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,422 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,422 INFO L168 Benchmark]: Boogie Preprocessor took 24.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,423 INFO L168 Benchmark]: RCFGBuilder took 777.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,423 INFO L168 Benchmark]: CodeCheck took 14679.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.1 MB). Free memory was 1.0 GB in the beginning and 848.2 MB in the end (delta: 178.0 MB). Peak memory consumption was 449.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,423 INFO L168 Benchmark]: Witness Printer took 66.14 ms. Allocated memory is still 1.4 GB. Free memory was 848.2 MB in the beginning and 837.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:50:12,424 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 7 procedures, 78 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -864101852 SDtfs, -1716315812 SDslu, 635565756 SDs, 0 SdLazy, 1617289948 SolverSat, -745572956 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18284 GetRequests, 17759 SyntacticMatches, 217 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45155 ImplicationChecksByTransitivity, 11.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1879 NumberOfCodeBlocks, 1879 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 258111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 18 PerfectInterpolantSequences, 1107/1346 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: 319]: 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: 871]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && 0 == pumpRunning - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(0 == tmp))) || (!(\old(pumpRunning) == pumpRunning) && !(0 == tmp)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 777.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. * CodeCheck took 14679.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.1 MB). Free memory was 1.0 GB in the beginning and 848.2 MB in the end (delta: 178.0 MB). Peak memory consumption was 449.1 MB. Max. memory is 11.5 GB. * Witness Printer took 66.14 ms. Allocated memory is still 1.4 GB. Free memory was 848.2 MB in the beginning and 837.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...