./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_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_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:46:41,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:46:41,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:46:41,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:46:41,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:46:41,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:46:41,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:46:41,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:46:41,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:46:41,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:46:41,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:46:41,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:46:41,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:46:41,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:46:41,792 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:46:41,792 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:46:41,793 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:46:41,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:46:41,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:46:41,795 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:46:41,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:46:41,796 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:46:41,797 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:46:41,797 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:46:41,797 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:46:41,798 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:46:41,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:46:41,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:46:41,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:46:41,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:46:41,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:46:41,800 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:46:41,800 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:46:41,800 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:46:41,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:46:41,801 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:46:41,801 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 11:46:41,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:46:41,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:46:41,809 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:46:41,809 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 11:46:41,809 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 11:46:41,809 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 11:46:41,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:46:41,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:46:41,809 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:46:41,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:46:41,810 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 11:46:41,810 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 11:46:41,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 11:46:41,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:46:41,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:46:41,811 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_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-12-09 11:46:41,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:46:41,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:46:41,840 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:46:41,841 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:46:41,841 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:46:41,842 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-09 11:46:41,882 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/data/736ce2aa9/43b3c61113a44d71911365404e6422cc/FLAGba8333428 [2018-12-09 11:46:42,334 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:46:42,334 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-09 11:46:42,340 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/data/736ce2aa9/43b3c61113a44d71911365404e6422cc/FLAGba8333428 [2018-12-09 11:46:42,348 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/data/736ce2aa9/43b3c61113a44d71911365404e6422cc [2018-12-09 11:46:42,350 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:46:42,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:46:42,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:46:42,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:46:42,354 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:46:42,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42, skipping insertion in model container [2018-12-09 11:46:42,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:46:42,380 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:46:42,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:46:42,530 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:46:42,602 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:46:42,617 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:46:42,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42 WrapperNode [2018-12-09 11:46:42,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:46:42,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:46:42,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:46:42,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:46:42,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:46:42,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:46:42,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:46:42,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:46:42,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... [2018-12-09 11:46:42,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:46:42,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:46:42,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:46:42,666 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:46:42,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:46:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/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 11:46:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:46:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:46:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:46:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:46:43,090 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:46:43,091 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-09 11:46:43,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:46:43 BoogieIcfgContainer [2018-12-09 11:46:43,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:46:43,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 11:46:43,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 11:46:43,101 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 11:46:43,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:46:43" (1/1) ... [2018-12-09 11:46:43,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:46:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-09 11:46:43,140 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-09 11:46:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 11:46:43,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,261 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 11:46:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-09 11:46:43,268 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-09 11:46:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 11:46:43,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,314 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 11:46:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-09 11:46:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-09 11:46:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 11:46:43,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,377 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 11:46:43,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-12-09 11:46:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-12-09 11:46:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 11:46:43,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,475 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 11:46:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2018-12-09 11:46:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2018-12-09 11:46:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:46:43,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,509 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 11:46:43,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-09 11:46:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-09 11:46:43,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:46:43,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,535 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 11:46:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-12-09 11:46:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-12-09 11:46:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 11:46:43,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,615 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 11:46:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:43,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2018-12-09 11:46:43,879 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2018-12-09 11:46:43,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 11:46:43,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:43,926 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 11:46:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2018-12-09 11:46:44,187 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2018-12-09 11:46:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:46:44,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,205 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 11:46:44,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2018-12-09 11:46:44,280 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2018-12-09 11:46:44,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 11:46:44,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,298 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 11:46:44,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2018-12-09 11:46:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2018-12-09 11:46:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:46:44,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2018-12-09 11:46:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2018-12-09 11:46:44,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 11:46:44,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,550 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 11:46:44,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 103 states and 178 transitions. [2018-12-09 11:46:44,666 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 178 transitions. [2018-12-09 11:46:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 11:46:44,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,681 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 11:46:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 104 states and 179 transitions. [2018-12-09 11:46:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 179 transitions. [2018-12-09 11:46:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 11:46:44,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,723 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 196 transitions. [2018-12-09 11:46:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2018-12-09 11:46:44,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 11:46:44,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:44,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 112 states and 197 transitions. [2018-12-09 11:46:44,870 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 197 transitions. [2018-12-09 11:46:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:46:44,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 113 states and 200 transitions. [2018-12-09 11:46:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 200 transitions. [2018-12-09 11:46:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:46:44,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:44,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 114 states and 203 transitions. [2018-12-09 11:46:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 203 transitions. [2018-12-09 11:46:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 11:46:44,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:45,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 117 states and 211 transitions. [2018-12-09 11:46:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 211 transitions. [2018-12-09 11:46:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:46:45,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:45,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 122 states and 219 transitions. [2018-12-09 11:46:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 219 transitions. [2018-12-09 11:46:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:46:45,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:45,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 123 states and 219 transitions. [2018-12-09 11:46:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 219 transitions. [2018-12-09 11:46:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:46:45,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 137 states and 250 transitions. [2018-12-09 11:46:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 250 transitions. [2018-12-09 11:46:45,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:46:45,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:46,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 148 states and 282 transitions. [2018-12-09 11:46:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 282 transitions. [2018-12-09 11:46:46,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 11:46:46,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 152 states and 291 transitions. [2018-12-09 11:46:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 291 transitions. [2018-12-09 11:46:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 11:46:46,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 153 states and 294 transitions. [2018-12-09 11:46:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 294 transitions. [2018-12-09 11:46:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:46:46,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:46,956 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 161 states and 320 transitions. [2018-12-09 11:46:48,048 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 320 transitions. [2018-12-09 11:46:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 11:46:48,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,061 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:46:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 162 states and 320 transitions. [2018-12-09 11:46:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 320 transitions. [2018-12-09 11:46:48,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:46:48,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 163 states and 321 transitions. [2018-12-09 11:46:48,113 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2018-12-09 11:46:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:46:48,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:46:48,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 164 states and 322 transitions. [2018-12-09 11:46:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 322 transitions. [2018-12-09 11:46:48,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:46:48,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 165 states and 323 transitions. [2018-12-09 11:46:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 323 transitions. [2018-12-09 11:46:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 11:46:48,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 166 states and 324 transitions. [2018-12-09 11:46:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 324 transitions. [2018-12-09 11:46:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 11:46:48,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 167 states and 322 transitions. [2018-12-09 11:46:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 322 transitions. [2018-12-09 11:46:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:46:48,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 176 states and 352 transitions. [2018-12-09 11:46:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 352 transitions. [2018-12-09 11:46:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:46:49,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 178 states and 354 transitions. [2018-12-09 11:46:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 354 transitions. [2018-12-09 11:46:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 11:46:49,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 180 states and 357 transitions. [2018-12-09 11:46:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 357 transitions. [2018-12-09 11:46:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 11:46:49,562 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,603 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 185 states and 366 transitions. [2018-12-09 11:46:49,614 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 366 transitions. [2018-12-09 11:46:49,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 11:46:49,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 185 states and 361 transitions. [2018-12-09 11:46:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 361 transitions. [2018-12-09 11:46:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 11:46:49,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 186 states and 361 transitions. [2018-12-09 11:46:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 361 transitions. [2018-12-09 11:46:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 11:46:49,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 187 states and 362 transitions. [2018-12-09 11:46:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 362 transitions. [2018-12-09 11:46:49,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 11:46:49,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,976 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 11:46:49,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:49,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 188 states and 363 transitions. [2018-12-09 11:46:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 363 transitions. [2018-12-09 11:46:49,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-09 11:46:49,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:49,995 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:46:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 370 transitions. [2018-12-09 11:46:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2018-12-09 11:46:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 11:46:50,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 11:46:50,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 193 states and 370 transitions. [2018-12-09 11:46:50,040 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 370 transitions. [2018-12-09 11:46:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:46:50,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:46:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 179 states and 342 transitions. [2018-12-09 11:46:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2018-12-09 11:46:50,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 11:46:50,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:46:50,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 352 transitions. [2018-12-09 11:46:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 352 transitions. [2018-12-09 11:46:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:46:50,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:46:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 182 states and 348 transitions. [2018-12-09 11:46:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 348 transitions. [2018-12-09 11:46:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 11:46:50,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 11:46:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 179 states and 342 transitions. [2018-12-09 11:46:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2018-12-09 11:46:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 11:46:50,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:46:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 342 transitions. [2018-12-09 11:46:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 342 transitions. [2018-12-09 11:46:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:46:50,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:46:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 178 states and 338 transitions. [2018-12-09 11:46:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 338 transitions. [2018-12-09 11:46:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:46:50,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 11:46:50,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 173 states and 328 transitions. [2018-12-09 11:46:50,456 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 328 transitions. [2018-12-09 11:46:50,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:46:50,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,505 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:46:50,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 175 states and 329 transitions. [2018-12-09 11:46:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 329 transitions. [2018-12-09 11:46:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 11:46:50,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 11:46:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:46:50,746 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 11:46:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 11:46:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 85 states and 135 transitions. [2018-12-09 11:46:50,901 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 135 transitions. [2018-12-09 11:46:50,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:46:50,902 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2018-12-09 11:46:50,907 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 11:46:51,067 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,069 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,069 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-09 11:46:51,071 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,072 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,072 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-09 11:46:51,072 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,072 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,073 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,073 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-09 11:46:51,073 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,073 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,073 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 11:46:51,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 11:46:51 ImpRootNode [2018-12-09 11:46:51,074 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 11:46:51,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:46:51,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:46:51,074 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:46:51,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:46:43" (3/4) ... [2018-12-09 11:46:51,078 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:46:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:46:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 11:46:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:46:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:46:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:46:51,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:46:51,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-12-09 11:46:51,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-09 11:46:51,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:46:51,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 11:46:51,087 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:46:51,088 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:46:51,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) [2018-12-09 11:46:51,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (!(1 == waterLevel) && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) [2018-12-09 11:46:51,129 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca5ba2ba-48e8-4bcc-a2b0-34d574b867e7/bin-2019/ukojak/witness.graphml [2018-12-09 11:46:51,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:46:51,130 INFO L168 Benchmark]: Toolchain (without parser) took 8779.11 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 215.2 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:51,130 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-12-09 11:46:51,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:51,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:46:51,131 INFO L168 Benchmark]: Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:46:51,131 INFO L168 Benchmark]: RCFGBuilder took 425.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:51,131 INFO L168 Benchmark]: CodeCheck took 7982.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -65.6 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:46:51,131 INFO L168 Benchmark]: Witness Printer took 55.12 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:46:51,133 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 68 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1812700752 SDtfs, -1769241940 SDslu, 972779168 SDs, 0 SdLazy, 2097226740 SolverSat, 1578526676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18943 GetRequests, 18483 SyntacticMatches, 232 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26717 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1733 NumberOfCodeBlocks, 1733 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1683 ConstructedInterpolants, 0 QuantifiedInterpolants, 140383 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 34 PerfectInterpolantSequences, 562/623 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: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((!(systemActive == 0) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (!(1 == waterLevel) && \old(pumpRunning) == pumpRunning)) || (!(systemActive == 0) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 425.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.1 MB). Peak memory consumption was 72.1 MB. Max. memory is 11.5 GB. * CodeCheck took 7982.43 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -65.6 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. * Witness Printer took 55.12 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...