./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22_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_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/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 40fed9ba382e53b697a1093810870166e2d037a9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:14:08,855 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:14:08,856 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:14:08,862 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:14:08,862 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:14:08,863 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:14:08,863 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:14:08,864 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:14:08,865 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:14:08,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:14:08,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:14:08,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:14:08,866 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:14:08,867 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:14:08,867 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:14:08,867 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:14:08,868 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:14:08,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:14:08,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:14:08,870 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:14:08,871 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:14:08,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:14:08,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:14:08,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:14:08,873 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:14:08,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:14:08,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:14:08,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:14:08,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:14:08,875 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:14:08,875 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:14:08,875 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:14:08,875 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:14:08,875 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:14:08,876 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:14:08,876 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:14:08,876 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:14:08,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:14:08,883 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:14:08,883 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:14:08,884 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:14:08,884 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:14:08,884 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:14:08,884 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:14:08,884 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:14:08,884 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:14:08,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:14:08,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:14:08,885 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:14:08,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:14:08,885 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:14:08,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:14:08,886 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:14:08,886 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:14:08,886 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:14:08,886 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:14:08,886 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:14:08,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:14:08,886 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_a3378cff-cf7d-4033-bf88-d705debf6684/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2018-12-09 12:14:08,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:14:08,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:14:08,911 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:14:08,912 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:14:08,912 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:14:08,912 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-12-09 12:14:08,946 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/data/dcc114952/dc8f6cb350f743e0a5cc66208931e4dd/FLAG363c8269b [2018-12-09 12:14:09,346 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:14:09,346 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/sv-benchmarks/c/product-lines/minepump_spec2_product22_true-unreach-call_false-termination.cil.c [2018-12-09 12:14:09,352 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/data/dcc114952/dc8f6cb350f743e0a5cc66208931e4dd/FLAG363c8269b [2018-12-09 12:14:09,360 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/data/dcc114952/dc8f6cb350f743e0a5cc66208931e4dd [2018-12-09 12:14:09,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:14:09,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:14:09,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:14:09,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:14:09,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:14:09,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c8a763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09, skipping insertion in model container [2018-12-09 12:14:09,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:14:09,392 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:14:09,537 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:14:09,579 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:14:09,629 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:14:09,644 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:14:09,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09 WrapperNode [2018-12-09 12:14:09,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:14:09,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:14:09,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:14:09,645 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:14:09,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:14:09,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:14:09,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:14:09,675 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:14:09,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... [2018-12-09 12:14:09,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:14:09,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:14:09,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:14:09,693 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:14:09,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:14:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/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 [2018-12-09 12:14:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:14:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:14:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:14:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:14:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:14:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:14:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:14:09,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:14:09,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:14:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:14:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:14:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 12:14:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 12:14:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 12:14:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 12:14:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:14:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:14:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:14:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:14:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:14:10,121 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:14:10,121 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-09 12:14:10,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:14:10 BoogieIcfgContainer [2018-12-09 12:14:10,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:14:10,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:14:10,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:14:10,131 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:14:10,131 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:14:10" (1/1) ... [2018-12-09 12:14:10,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:14:10,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:10,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 60 states and 80 transitions. [2018-12-09 12:14:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2018-12-09 12:14:10,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:14:10,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:10,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:10,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 78 transitions. [2018-12-09 12:14:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2018-12-09 12:14:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 12:14:10,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:10,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 62 states and 81 transitions. [2018-12-09 12:14:10,353 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2018-12-09 12:14:10,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:14:10,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:10,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-12-09 12:14:10,492 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-12-09 12:14:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 12:14:10,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2018-12-09 12:14:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2018-12-09 12:14:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 12:14:10,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 100 states and 165 transitions. [2018-12-09 12:14:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 165 transitions. [2018-12-09 12:14:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:14:11,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 102 states and 167 transitions. [2018-12-09 12:14:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 167 transitions. [2018-12-09 12:14:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 12:14:11,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:11,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 110 states and 183 transitions. [2018-12-09 12:14:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2018-12-09 12:14:11,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 12:14:11,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:11,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2018-12-09 12:14:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2018-12-09 12:14:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 12:14:11,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 118 states and 200 transitions. [2018-12-09 12:14:11,820 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2018-12-09 12:14:11,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 12:14:11,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:11,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 200 transitions. [2018-12-09 12:14:11,845 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 200 transitions. [2018-12-09 12:14:11,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 12:14:11,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 201 transitions. [2018-12-09 12:14:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2018-12-09 12:14:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 12:14:11,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:11,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 122 states and 206 transitions. [2018-12-09 12:14:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 206 transitions. [2018-12-09 12:14:12,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 12:14:12,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:14:12,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:12,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 200 transitions. [2018-12-09 12:14:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 200 transitions. [2018-12-09 12:14:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 12:14:12,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 125 states and 210 transitions. [2018-12-09 12:14:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-12-09 12:14:12,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 12:14:12,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:12,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 212 transitions. [2018-12-09 12:14:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-12-09 12:14:12,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-09 12:14:12,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:14:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 129 states and 220 transitions. [2018-12-09 12:14:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 220 transitions. [2018-12-09 12:14:12,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 12:14:12,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 137 states and 236 transitions. [2018-12-09 12:14:13,310 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2018-12-09 12:14:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 12:14:13,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:13,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 143 states and 252 transitions. [2018-12-09 12:14:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 252 transitions. [2018-12-09 12:14:13,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 12:14:13,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:13,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 141 states and 248 transitions. [2018-12-09 12:14:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 248 transitions. [2018-12-09 12:14:13,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 12:14:13,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 143 states and 253 transitions. [2018-12-09 12:14:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 253 transitions. [2018-12-09 12:14:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 12:14:13,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:13,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 12:14:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 146 states and 256 transitions. [2018-12-09 12:14:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 256 transitions. [2018-12-09 12:14:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 12:14:13,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:14:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 158 states and 284 transitions. [2018-12-09 12:14:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 284 transitions. [2018-12-09 12:14:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 12:14:14,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 12:14:16,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 169 states and 316 transitions. [2018-12-09 12:14:16,029 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 316 transitions. [2018-12-09 12:14:16,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 12:14:16,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:16,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 175 states and 331 transitions. [2018-12-09 12:14:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 331 transitions. [2018-12-09 12:14:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:14:16,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:16,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:16,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 176 states and 331 transitions. [2018-12-09 12:14:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 331 transitions. [2018-12-09 12:14:16,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 12:14:16,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:16,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:16,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 178 states and 332 transitions. [2018-12-09 12:14:16,923 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 332 transitions. [2018-12-09 12:14:16,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:14:16,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:14:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 186 states and 345 transitions. [2018-12-09 12:14:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 345 transitions. [2018-12-09 12:14:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 12:14:17,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 12:14:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 189 states and 349 transitions. [2018-12-09 12:14:17,900 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 349 transitions. [2018-12-09 12:14:17,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-09 12:14:17,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 12:14:18,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:18,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 190 states and 350 transitions. [2018-12-09 12:14:18,008 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 350 transitions. [2018-12-09 12:14:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-09 12:14:18,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:18,041 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:14:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:18,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 146 states and 241 transitions. [2018-12-09 12:14:18,610 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 241 transitions. [2018-12-09 12:14:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:14:18,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 12:14:18,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 148 states and 244 transitions. [2018-12-09 12:14:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 244 transitions. [2018-12-09 12:14:18,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 12:14:18,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 12:14:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 149 states and 245 transitions. [2018-12-09 12:14:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 245 transitions. [2018-12-09 12:14:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 12:14:18,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:14:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:14:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 12:14:18,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:14:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 71 states and 88 transitions. [2018-12-09 12:14:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2018-12-09 12:14:18,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:14:18,723 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-12-09 12:14:18,729 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 12:14:18,949 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,951 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,951 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 12:14:18,954 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,954 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,954 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,954 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 12:14:18,954 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,955 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,955 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,955 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-09 12:14:18,955 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,955 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 12:14:18,955 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 12:14:18,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:14:18 ImpRootNode [2018-12-09 12:14:18,956 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:14:18,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:14:18,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:14:18,956 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:14:18,956 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:14:10" (3/4) ... [2018-12-09 12:14:18,958 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:14:18,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 12:14:18,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 12:14:18,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 12:14:18,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 12:14:18,962 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 12:14:18,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 12:14:18,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 12:14:18,963 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-09 12:14:18,966 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 61 nodes and edges [2018-12-09 12:14:18,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 12:14:18,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 12:14:18,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 12:14:18,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:14:18,967 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 12:14:18,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 [2018-12-09 12:14:18,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-12-09 12:14:19,004 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3378cff-cf7d-4033-bf88-d705debf6684/bin-2019/ukojak/witness.graphml [2018-12-09 12:14:19,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:14:19,005 INFO L168 Benchmark]: Toolchain (without parser) took 9642.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 951.7 MB in the beginning and 873.6 MB in the end (delta: 78.0 MB). Peak memory consumption was 340.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:14:19,005 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:14:19,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:14:19,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:14:19,006 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 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. [2018-12-09 12:14:19,006 INFO L168 Benchmark]: RCFGBuilder took 428.27 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:14:19,006 INFO L168 Benchmark]: CodeCheck took 8833.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 882.7 MB in the end (delta: 117.6 MB). Peak memory consumption was 295.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:14:19,006 INFO L168 Benchmark]: Witness Printer took 48.43 ms. Allocated memory is still 1.3 GB. Free memory was 882.7 MB in the beginning and 873.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:14:19,007 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 9 procedures, 82 locations, 1 error locations. SAFE Result, 8.5s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2064797788 SDtfs, 853906236 SDslu, 245765676 SDs, 0 SdLazy, 1035215052 SolverSat, 1515820420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14857 GetRequests, 14532 SyntacticMatches, 81 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27642 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1405 NumberOfCodeBlocks, 1405 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1372 ConstructedInterpolants, 0 QuantifiedInterpolants, 125677 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 27 PerfectInterpolantSequences, 376/402 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: 778]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || systemActive == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && tmp == 1) && 0 == pumpRunning - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 628]: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -122.1 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.65 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 428.27 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: 70.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 11.5 GB. * CodeCheck took 8833.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 882.7 MB in the end (delta: 117.6 MB). Peak memory consumption was 295.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.43 ms. Allocated memory is still 1.3 GB. Free memory was 882.7 MB in the beginning and 873.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...