./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:33:54,233 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:33:54,233 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:33:54,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:33:54,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:33:54,240 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:33:54,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:33:54,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:33:54,242 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:33:54,243 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:33:54,243 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:33:54,243 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:33:54,244 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:33:54,244 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:33:54,245 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:33:54,245 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:33:54,246 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:33:54,246 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:33:54,247 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:33:54,248 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:33:54,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:33:54,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:33:54,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:33:54,250 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:33:54,250 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:33:54,251 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:33:54,251 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:33:54,252 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:33:54,252 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:33:54,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:33:54,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:33:54,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:33:54,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:33:54,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:33:54,253 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:33:54,254 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:33:54,254 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-03 01:33:54,261 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:33:54,261 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:33:54,262 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:33:54,262 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-03 01:33:54,262 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:33:54,262 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:33:54,262 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:33:54,262 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:33:54,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:33:54,263 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 01:33:54,264 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:33:54,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:33:54,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:33:54,264 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_d760e88e-d30c-451b-954f-606bd706348c/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2018-12-03 01:33:54,282 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:33:54,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:33:54,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:33:54,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:33:54,295 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:33:54,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-12-03 01:33:54,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/data/1af29dca7/64002302b5644ec0a0e7082086419754/FLAGcfb11dc6b [2018-12-03 01:33:54,765 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:33:54,766 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/sv-benchmarks/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-12-03 01:33:54,771 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/data/1af29dca7/64002302b5644ec0a0e7082086419754/FLAGcfb11dc6b [2018-12-03 01:33:54,779 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/data/1af29dca7/64002302b5644ec0a0e7082086419754 [2018-12-03 01:33:54,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:33:54,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:33:54,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:33:54,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:33:54,784 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:33:54,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:54" (1/1) ... [2018-12-03 01:33:54,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:54, skipping insertion in model container [2018-12-03 01:33:54,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:33:54" (1/1) ... [2018-12-03 01:33:54,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:33:54,811 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:33:54,952 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:33:54,960 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:33:55,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:33:55,083 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:33:55,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55 WrapperNode [2018-12-03 01:33:55,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:33:55,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:33:55,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:33:55,084 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:33:55,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:33:55,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:33:55,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:33:55,124 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:33:55,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:33:55,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:33:55,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:33:55,147 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:33:55,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:33:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/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 [2018-12-03 01:33:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:33:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:33:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:33:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:33:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:33:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 01:33:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 01:33:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:33:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:33:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:33:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:33:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 01:33:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 01:33:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:33:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:33:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:33:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:33:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:33:55,625 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:33:55,625 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-03 01:33:55,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:55 BoogieIcfgContainer [2018-12-03 01:33:55,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:33:55,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 01:33:55,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 01:33:55,635 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 01:33:55,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:55" (1/1) ... [2018-12-03 01:33:55,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:33:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:55,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2018-12-03 01:33:55,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2018-12-03 01:33:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 01:33:55,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:55,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-12-03 01:33:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-12-03 01:33:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-03 01:33:55,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2018-12-03 01:33:55,850 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2018-12-03 01:33:55,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 01:33:55,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2018-12-03 01:33:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2018-12-03 01:33:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 01:33:55,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:56,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:56,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:56,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 118 transitions. [2018-12-03 01:33:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2018-12-03 01:33:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 01:33:56,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2018-12-03 01:33:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2018-12-03 01:33:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 01:33:56,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2018-12-03 01:33:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2018-12-03 01:33:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-03 01:33:57,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2018-12-03 01:33:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2018-12-03 01:33:57,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 01:33:57,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:33:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 177 transitions. [2018-12-03 01:33:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2018-12-03 01:33:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 01:33:57,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 109 states and 178 transitions. [2018-12-03 01:33:57,289 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions. [2018-12-03 01:33:57,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 01:33:57,290 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 188 transitions. [2018-12-03 01:33:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 188 transitions. [2018-12-03 01:33:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 01:33:57,413 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:57,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 204 transitions. [2018-12-03 01:33:57,614 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 204 transitions. [2018-12-03 01:33:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-03 01:33:57,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:57,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 121 states and 206 transitions. [2018-12-03 01:33:57,730 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 206 transitions. [2018-12-03 01:33:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-03 01:33:57,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:57,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 119 states and 202 transitions. [2018-12-03 01:33:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 202 transitions. [2018-12-03 01:33:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-03 01:33:57,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:57,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:33:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:58,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 210 transitions. [2018-12-03 01:33:58,335 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 210 transitions. [2018-12-03 01:33:58,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 01:33:58,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 130 states and 225 transitions. [2018-12-03 01:33:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2018-12-03 01:33:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-03 01:33:58,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:33:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:58,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 132 states and 230 transitions. [2018-12-03 01:33:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2018-12-03 01:33:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-03 01:33:58,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 01:33:59,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:59,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 135 states and 233 transitions. [2018-12-03 01:33:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 233 transitions. [2018-12-03 01:33:59,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-03 01:33:59,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:33:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:33:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 146 states and 262 transitions. [2018-12-03 01:33:59,936 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 262 transitions. [2018-12-03 01:33:59,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 01:33:59,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:33:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:33:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:34:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 288 transitions. [2018-12-03 01:34:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2018-12-03 01:34:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 01:34:00,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:34:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 159 states and 289 transitions. [2018-12-03 01:34:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 289 transitions. [2018-12-03 01:34:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 01:34:00,917 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:34:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 161 states and 294 transitions. [2018-12-03 01:34:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions. [2018-12-03 01:34:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 01:34:00,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 01:34:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 163 states and 296 transitions. [2018-12-03 01:34:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 296 transitions. [2018-12-03 01:34:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-03 01:34:01,112 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:01,125 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:34:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:01,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 167 states and 304 transitions. [2018-12-03 01:34:01,408 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 304 transitions. [2018-12-03 01:34:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 01:34:01,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-03 01:34:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 169 states and 305 transitions. [2018-12-03 01:34:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 305 transitions. [2018-12-03 01:34:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-03 01:34:01,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:34:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 167 states and 301 transitions. [2018-12-03 01:34:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 301 transitions. [2018-12-03 01:34:01,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-03 01:34:01,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:01,509 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 01:34:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 169 states and 305 transitions. [2018-12-03 01:34:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 305 transitions. [2018-12-03 01:34:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 01:34:01,657 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 01:34:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 171 states and 308 transitions. [2018-12-03 01:34:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 308 transitions. [2018-12-03 01:34:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 01:34:01,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:01,780 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 01:34:02,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 179 states and 320 transitions. [2018-12-03 01:34:02,473 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 320 transitions. [2018-12-03 01:34:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 01:34:02,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 01:34:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 182 states and 321 transitions. [2018-12-03 01:34:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 321 transitions. [2018-12-03 01:34:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 01:34:02,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 01:34:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 184 states and 324 transitions. [2018-12-03 01:34:02,778 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 324 transitions. [2018-12-03 01:34:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-03 01:34:02,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 01:34:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 133 states and 205 transitions. [2018-12-03 01:34:03,313 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2018-12-03 01:34:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 01:34:03,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 01:34:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 134 states and 206 transitions. [2018-12-03 01:34:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2018-12-03 01:34:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-03 01:34:03,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:34:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:34:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 01:34:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:34:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 53 states and 65 transitions. [2018-12-03 01:34:03,382 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2018-12-03 01:34:03,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:34:03,382 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-03 01:34:03,388 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-03 01:34:03,561 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,563 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,563 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,563 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-03 01:34:03,566 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,566 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-03 01:34:03,567 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,567 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,567 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,567 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-03 01:34:03,568 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,568 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-03 01:34:03,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:34:03 ImpRootNode [2018-12-03 01:34:03,568 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 01:34:03,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:34:03,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:34:03,569 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:34:03,569 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:55" (3/4) ... [2018-12-03 01:34:03,572 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:34:03,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 01:34:03,576 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 01:34:03,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 01:34:03,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 01:34:03,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 01:34:03,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 01:34:03,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 01:34:03,581 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-03 01:34:03,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-03 01:34:03,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-03 01:34:03,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 01:34:03,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:34:03,582 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:34:03,601 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 [2018-12-03 01:34:03,626 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d760e88e-d30c-451b-954f-606bd706348c/bin-2019/ukojak/witness.graphml [2018-12-03 01:34:03,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:34:03,627 INFO L168 Benchmark]: Toolchain (without parser) took 8845.69 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: Boogie Preprocessor took 23.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: RCFGBuilder took 478.51 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: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: CodeCheck took 7942.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -68.1 MB). Peak memory consumption was 152.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:34:03,628 INFO L168 Benchmark]: Witness Printer took 57.84 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:34:03,629 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, 70 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1443051852 SDtfs, -59247564 SDslu, 1444381004 SDs, 0 SdLazy, -1746618556 SolverSat, 514584964 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14714 GetRequests, 14359 SyntacticMatches, 119 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24896 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1439 NumberOfCodeBlocks, 1439 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 125549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 23 PerfectInterpolantSequences, 531/587 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: 130]: 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: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 0 == pumpRunning) && tmp == 1 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 478.51 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: 75.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. * CodeCheck took 7942.39 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -68.1 MB). Peak memory consumption was 152.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.84 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...