./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_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_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:18:11,826 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:18:11,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:18:11,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:18:11,836 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:18:11,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:18:11,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:18:11,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:18:11,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:18:11,841 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:18:11,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:18:11,842 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:18:11,842 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:18:11,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:18:11,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:18:11,844 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:18:11,845 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:18:11,846 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:18:11,848 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:18:11,849 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:18:11,850 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:18:11,850 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:18:11,852 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:18:11,852 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:18:11,852 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:18:11,853 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:18:11,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:18:11,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:18:11,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:18:11,856 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:18:11,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:18:11,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:18:11,857 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:18:11,857 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:18:11,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:18:11,858 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:18:11,858 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 03:18:11,868 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:18:11,868 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:18:11,869 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:18:11,869 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:18:11,870 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:18:11,870 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:18:11,870 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:18:11,870 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:18:11,870 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:18:11,870 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:18:11,870 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:18:11,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:18:11,871 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:18:11,872 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:18:11,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:18:11,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:18:11,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:18:11,873 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_febdf3c8-9f7c-4012-915d-ee80eba89c35/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2018-12-02 03:18:11,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:18:11,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:18:11,904 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:18:11,905 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:18:11,905 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:18:11,905 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-12-02 03:18:11,940 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/data/b015ac029/eac27de14ea3447586c099de26aeb45d/FLAGb3b2df8d5 [2018-12-02 03:18:12,387 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:18:12,387 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-12-02 03:18:12,393 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/data/b015ac029/eac27de14ea3447586c099de26aeb45d/FLAGb3b2df8d5 [2018-12-02 03:18:12,402 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/data/b015ac029/eac27de14ea3447586c099de26aeb45d [2018-12-02 03:18:12,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:18:12,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:18:12,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:18:12,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:18:12,407 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:18:12,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,409 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 02.12 03:18:12, skipping insertion in model container [2018-12-02 03:18:12,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:18:12,433 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:18:12,573 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:18:12,612 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:18:12,649 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:18:12,664 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:18:12,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12 WrapperNode [2018-12-02 03:18:12,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:18:12,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:18:12,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:18:12,665 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:18:12,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:18:12,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:18:12,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:18:12,695 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:18:12,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... [2018-12-02 03:18:12,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:18:12,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:18:12,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:18:12,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:18:12,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:18:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/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 [2018-12-02 03:18:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:18:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 03:18:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 03:18:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 03:18:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 03:18:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 03:18:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 03:18:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 03:18:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 03:18:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 03:18:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 03:18:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 03:18:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 03:18:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 03:18:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 03:18:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 03:18:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:18:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:18:13,173 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:18:13,173 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-02 03:18:13,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:13 BoogieIcfgContainer [2018-12-02 03:18:13,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:18:13,173 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:18:13,173 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:18:13,180 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:18:13,180 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:13" (1/1) ... [2018-12-02 03:18:13,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:18:13,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-12-02 03:18:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-12-02 03:18:13,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 03:18:13,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-12-02 03:18:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-12-02 03:18:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 03:18:13,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2018-12-02 03:18:13,391 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2018-12-02 03:18:13,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 03:18:13,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2018-12-02 03:18:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2018-12-02 03:18:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 03:18:13,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2018-12-02 03:18:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2018-12-02 03:18:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 03:18:13,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-12-02 03:18:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-12-02 03:18:13,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 03:18:13,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2018-12-02 03:18:13,829 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2018-12-02 03:18:13,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 03:18:13,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 138 transitions. [2018-12-02 03:18:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2018-12-02 03:18:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 03:18:13,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 139 transitions. [2018-12-02 03:18:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2018-12-02 03:18:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 03:18:13,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 140 transitions. [2018-12-02 03:18:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2018-12-02 03:18:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 03:18:13,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:14,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 91 states and 141 transitions. [2018-12-02 03:18:14,001 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 141 transitions. [2018-12-02 03:18:14,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 03:18:14,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 162 transitions. [2018-12-02 03:18:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-12-02 03:18:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 03:18:14,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 164 transitions. [2018-12-02 03:18:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2018-12-02 03:18:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 03:18:14,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 165 transitions. [2018-12-02 03:18:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-12-02 03:18:14,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 03:18:14,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,360 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 154 transitions. [2018-12-02 03:18:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2018-12-02 03:18:14,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 03:18:14,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:18:14,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 109 states and 190 transitions. [2018-12-02 03:18:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2018-12-02 03:18:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 03:18:14,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:18:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:14,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 111 states and 192 transitions. [2018-12-02 03:18:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2018-12-02 03:18:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 03:18:14,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 232 transitions. [2018-12-02 03:18:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2018-12-02 03:18:15,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 03:18:15,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:18:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 127 states and 232 transitions. [2018-12-02 03:18:15,306 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 232 transitions. [2018-12-02 03:18:15,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:18:15,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 128 states and 236 transitions. [2018-12-02 03:18:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 236 transitions. [2018-12-02 03:18:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 03:18:15,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,468 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:18:15,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 237 transitions. [2018-12-02 03:18:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 237 transitions. [2018-12-02 03:18:15,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 03:18:15,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 03:18:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 130 states and 238 transitions. [2018-12-02 03:18:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 238 transitions. [2018-12-02 03:18:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:18:15,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 239 transitions. [2018-12-02 03:18:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 239 transitions. [2018-12-02 03:18:15,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 03:18:15,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:15,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 240 transitions. [2018-12-02 03:18:15,548 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 240 transitions. [2018-12-02 03:18:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 03:18:15,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:18:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 133 states and 237 transitions. [2018-12-02 03:18:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2018-12-02 03:18:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 03:18:15,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:18:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 243 transitions. [2018-12-02 03:18:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 243 transitions. [2018-12-02 03:18:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 03:18:15,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 03:18:16,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 97 states and 149 transitions. [2018-12-02 03:18:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2018-12-02 03:18:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 03:18:16,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:16,143 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 03:18:16,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 102 states and 156 transitions. [2018-12-02 03:18:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2018-12-02 03:18:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 03:18:16,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 03:18:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:16,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 103 states and 157 transitions. [2018-12-02 03:18:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2018-12-02 03:18:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 03:18:16,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:18:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:18:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 03:18:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:18:16,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 53 states and 73 transitions. [2018-12-02 03:18:16,228 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2018-12-02 03:18:16,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:18:16,228 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-12-02 03:18:16,234 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 03:18:16,371 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,373 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,374 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,374 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,374 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,374 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,374 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,374 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 03:18:16,377 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,377 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-02 03:18:16,377 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,377 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,378 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:18:16,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:18:16 ImpRootNode [2018-12-02 03:18:16,378 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:18:16,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:18:16,379 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:18:16,379 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:18:16,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:18:13" (3/4) ... [2018-12-02 03:18:16,382 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:18:16,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 03:18:16,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 03:18:16,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 03:18:16,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 03:18:16,386 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 03:18:16,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 03:18:16,387 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 03:18:16,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2018-12-02 03:18:16,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-02 03:18:16,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 03:18:16,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 03:18:16,392 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 03:18:16,393 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:18:16,412 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (systemActive == 1 || !(0 == pumpRunning)) || \old(pumpRunning) == pumpRunning [2018-12-02 03:18:16,443 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_febdf3c8-9f7c-4012-915d-ee80eba89c35/bin-2019/ukojak/witness.graphml [2018-12-02 03:18:16,443 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:18:16,444 INFO L168 Benchmark]: Toolchain (without parser) took 4040.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 295.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -127.4 MB). Peak memory consumption was 168.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:18:16,445 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:18:16,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 03:18:16,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:18:16,446 INFO L168 Benchmark]: Boogie Preprocessor took 17.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:18:16,446 INFO L168 Benchmark]: RCFGBuilder took 460.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:18:16,446 INFO L168 Benchmark]: CodeCheck took 3204.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). Peak memory consumption was 119.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:18:16,447 INFO L168 Benchmark]: Witness Printer took 64.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:18:16,448 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, 3.0s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2073743244 SDtfs, -1386023100 SDslu, 784213684 SDs, 0 SdLazy, -170430020 SolverSat, 1363386204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8846 GetRequests, 8645 SyntacticMatches, 97 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5145 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 66256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 24 PerfectInterpolantSequences, 238/259 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: 633]: 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: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 == pumpRunning && systemActive == 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (systemActive == 1 || !(0 == pumpRunning)) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.62 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.50 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 460.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * CodeCheck took 3204.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). Peak memory consumption was 119.3 MB. Max. memory is 11.5 GB. * Witness Printer took 64.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...