./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_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_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:39:16,756 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:39:16,757 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:39:16,765 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:39:16,765 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:39:16,765 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:39:16,766 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:39:16,767 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:39:16,768 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:39:16,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:39:16,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:39:16,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:39:16,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:39:16,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:39:16,772 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:39:16,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:39:16,773 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:39:16,774 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:39:16,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:39:16,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:39:16,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:39:16,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:39:16,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:39:16,779 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:39:16,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:39:16,780 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:39:16,781 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:39:16,781 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:39:16,782 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:39:16,782 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:39:16,783 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:39:16,783 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:39:16,783 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:39:16,783 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:39:16,784 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:39:16,784 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:39:16,784 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 23:39:16,793 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:39:16,793 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:39:16,793 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:39:16,793 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 23:39:16,794 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 23:39:16,794 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:39:16,794 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:39:16,795 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 23:39:16,795 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 23:39:16,795 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:39:16,795 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:39:16,796 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:39:16,796 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 23:39:16,796 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:39:16,796 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:39:16,796 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_22948517-3d27-461b-bd17-d2bfb2b997f2/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-12-08 23:39:16,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:39:16,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:39:16,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:39:16,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:39:16,822 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:39:16,823 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-08 23:39:16,856 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/data/af34b1ebc/797cee06746b4460893ed7286c876418/FLAGf63a5c01a [2018-12-08 23:39:17,207 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:39:17,208 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-12-08 23:39:17,215 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/data/af34b1ebc/797cee06746b4460893ed7286c876418/FLAGf63a5c01a [2018-12-08 23:39:17,584 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/data/af34b1ebc/797cee06746b4460893ed7286c876418 [2018-12-08 23:39:17,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:39:17,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:39:17,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:39:17,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:39:17,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:39:17,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20866eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17, skipping insertion in model container [2018-12-08 23:39:17,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:39:17,622 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:39:17,766 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:39:17,773 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:39:17,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:39:17,860 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:39:17,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17 WrapperNode [2018-12-08 23:39:17,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:39:17,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:39:17,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:39:17,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:39:17,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:39:17,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:39:17,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:39:17,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:39:17,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... [2018-12-08 23:39:17,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:39:17,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:39:17,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:39:17,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:39:17,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:39:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/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 [2018-12-08 23:39:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:39:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 23:39:17,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 23:39:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 23:39:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 23:39:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 23:39:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 23:39:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 23:39:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 23:39:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 23:39:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 23:39:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 23:39:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 23:39:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 23:39:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:39:17,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:39:18,392 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:39:18,392 INFO L280 CfgBuilder]: Removed 38 assue(true) statements. [2018-12-08 23:39:18,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:39:18 BoogieIcfgContainer [2018-12-08 23:39:18,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:39:18,393 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 23:39:18,393 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 23:39:18,401 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 23:39:18,402 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:39:18" (1/1) ... [2018-12-08 23:39:18,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:39:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-08 23:39:18,442 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-08 23:39:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 23:39:18,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:18,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-08 23:39:18,572 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-08 23:39:18,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 23:39:18,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:18,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-08 23:39:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-08 23:39:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 23:39:18,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:18,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2018-12-08 23:39:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2018-12-08 23:39:18,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 23:39:18,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:18,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2018-12-08 23:39:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2018-12-08 23:39:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 23:39:18,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:18,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-08 23:39:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-08 23:39:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 23:39:18,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-12-08 23:39:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-12-08 23:39:18,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 23:39:18,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:18,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:19,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 128 transitions. [2018-12-08 23:39:19,245 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2018-12-08 23:39:19,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 23:39:19,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:19,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 88 states and 150 transitions. [2018-12-08 23:39:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2018-12-08 23:39:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 23:39:19,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2018-12-08 23:39:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2018-12-08 23:39:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 23:39:19,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:19,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:19,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2018-12-08 23:39:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2018-12-08 23:39:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 23:39:19,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:19,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 100 states and 171 transitions. [2018-12-08 23:39:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2018-12-08 23:39:19,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 23:39:19,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 101 states and 172 transitions. [2018-12-08 23:39:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 172 transitions. [2018-12-08 23:39:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-08 23:39:20,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 108 states and 189 transitions. [2018-12-08 23:39:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 189 transitions. [2018-12-08 23:39:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-08 23:39:20,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 109 states and 190 transitions. [2018-12-08 23:39:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 190 transitions. [2018-12-08 23:39:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 23:39:20,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 110 states and 193 transitions. [2018-12-08 23:39:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2018-12-08 23:39:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 23:39:20,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 111 states and 196 transitions. [2018-12-08 23:39:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 196 transitions. [2018-12-08 23:39:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 23:39:20,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 116 states and 205 transitions. [2018-12-08 23:39:20,462 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2018-12-08 23:39:20,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-08 23:39:20,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 119 states and 212 transitions. [2018-12-08 23:39:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 212 transitions. [2018-12-08 23:39:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 23:39:20,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:20,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 120 states and 212 transitions. [2018-12-08 23:39:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 212 transitions. [2018-12-08 23:39:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 23:39:20,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 135 states and 253 transitions. [2018-12-08 23:39:21,241 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 253 transitions. [2018-12-08 23:39:21,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 23:39:21,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 23:39:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 147 states and 284 transitions. [2018-12-08 23:39:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 284 transitions. [2018-12-08 23:39:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-08 23:39:21,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:21,885 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 23:39:22,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 286 transitions. [2018-12-08 23:39:22,022 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2018-12-08 23:39:22,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 23:39:22,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 157 states and 321 transitions. [2018-12-08 23:39:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 321 transitions. [2018-12-08 23:39:23,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-08 23:39:23,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 328 transitions. [2018-12-08 23:39:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 328 transitions. [2018-12-08 23:39:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 23:39:23,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 23:39:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 160 states and 329 transitions. [2018-12-08 23:39:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 329 transitions. [2018-12-08 23:39:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 23:39:23,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 161 states and 330 transitions. [2018-12-08 23:39:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 330 transitions. [2018-12-08 23:39:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 23:39:23,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 23:39:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 162 states and 331 transitions. [2018-12-08 23:39:23,614 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 331 transitions. [2018-12-08 23:39:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-08 23:39:23,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,626 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 23:39:23,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 163 states and 332 transitions. [2018-12-08 23:39:23,634 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 332 transitions. [2018-12-08 23:39:23,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 23:39:23,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 164 states and 333 transitions. [2018-12-08 23:39:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 333 transitions. [2018-12-08 23:39:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-08 23:39:23,830 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:24,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:24,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 167 states and 332 transitions. [2018-12-08 23:39:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 332 transitions. [2018-12-08 23:39:24,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 23:39:24,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:24,873 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 176 states and 358 transitions. [2018-12-08 23:39:25,902 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 358 transitions. [2018-12-08 23:39:25,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-08 23:39:25,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:25,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:25,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:25,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 177 states and 359 transitions. [2018-12-08 23:39:25,951 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 359 transitions. [2018-12-08 23:39:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 23:39:25,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:25,998 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:39:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 191 states and 398 transitions. [2018-12-08 23:39:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 398 transitions. [2018-12-08 23:39:27,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 23:39:27,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:39:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 196 states and 414 transitions. [2018-12-08 23:39:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 414 transitions. [2018-12-08 23:39:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-08 23:39:27,500 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:39:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:27,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 194 states and 407 transitions. [2018-12-08 23:39:27,682 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 407 transitions. [2018-12-08 23:39:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-08 23:39:27,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:27,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:27,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 195 states and 408 transitions. [2018-12-08 23:39:27,725 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 408 transitions. [2018-12-08 23:39:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 23:39:27,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:27,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 196 states and 409 transitions. [2018-12-08 23:39:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 409 transitions. [2018-12-08 23:39:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 23:39:27,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:39:28,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 197 states and 410 transitions. [2018-12-08 23:39:28,019 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 410 transitions. [2018-12-08 23:39:28,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-08 23:39:28,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-08 23:39:28,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 198 states and 411 transitions. [2018-12-08 23:39:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 411 transitions. [2018-12-08 23:39:28,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 23:39:28,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 199 states and 419 transitions. [2018-12-08 23:39:29,208 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 419 transitions. [2018-12-08 23:39:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-08 23:39:29,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:39:30,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 204 states and 423 transitions. [2018-12-08 23:39:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 423 transitions. [2018-12-08 23:39:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 23:39:30,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 23:39:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 205 states and 424 transitions. [2018-12-08 23:39:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 424 transitions. [2018-12-08 23:39:31,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-08 23:39:31,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:31,216 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:39:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:31,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 210 states and 431 transitions. [2018-12-08 23:39:31,373 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2018-12-08 23:39:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 23:39:31,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 23:39:31,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:31,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 198 states and 407 transitions. [2018-12-08 23:39:31,401 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 407 transitions. [2018-12-08 23:39:31,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-08 23:39:31,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:31,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 23:39:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 202 states and 414 transitions. [2018-12-08 23:39:31,541 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 414 transitions. [2018-12-08 23:39:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 23:39:31,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 23:39:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 205 states and 418 transitions. [2018-12-08 23:39:32,146 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 418 transitions. [2018-12-08 23:39:32,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 23:39:32,146 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 23:39:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 206 states and 418 transitions. [2018-12-08 23:39:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 418 transitions. [2018-12-08 23:39:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 23:39:32,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:39:32,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 204 states and 414 transitions. [2018-12-08 23:39:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 414 transitions. [2018-12-08 23:39:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-08 23:39:32,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 23:39:32,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 201 states and 407 transitions. [2018-12-08 23:39:32,232 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 407 transitions. [2018-12-08 23:39:32,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 23:39:32,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 23:39:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 199 states and 403 transitions. [2018-12-08 23:39:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 403 transitions. [2018-12-08 23:39:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 23:39:32,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,285 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 23:39:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 192 states and 383 transitions. [2018-12-08 23:39:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 383 transitions. [2018-12-08 23:39:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 23:39:32,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 23:39:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 193 states and 384 transitions. [2018-12-08 23:39:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 384 transitions. [2018-12-08 23:39:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-08 23:39:32,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:32,590 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-08 23:39:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 196 states and 385 transitions. [2018-12-08 23:39:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 385 transitions. [2018-12-08 23:39:33,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-08 23:39:33,190 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-08 23:39:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 198 states and 386 transitions. [2018-12-08 23:39:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 386 transitions. [2018-12-08 23:39:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 23:39:33,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:33,481 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 23:39:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 201 states and 386 transitions. [2018-12-08 23:39:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 386 transitions. [2018-12-08 23:39:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 23:39:34,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 23:39:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:39:34,666 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-08 23:39:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 23:39:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 102 states and 176 transitions. [2018-12-08 23:39:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2018-12-08 23:39:34,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:39:34,887 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 57 iterations. [2018-12-08 23:39:34,893 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 23:39:35,109 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,111 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,111 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-08 23:39:35,114 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,114 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,114 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,114 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-08 23:39:35,115 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,115 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 23:39:35,115 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-08 23:39:35,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 11:39:35 ImpRootNode [2018-12-08 23:39:35,116 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 23:39:35,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:39:35,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:39:35,116 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:39:35,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:39:18" (3/4) ... [2018-12-08 23:39:35,119 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:39:35,122 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 23:39:35,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 23:39:35,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 23:39:35,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 23:39:35,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 23:39:35,123 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 23:39:35,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-08 23:39:35,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 23:39:35,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 23:39:35,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 23:39:35,127 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 23:39:35,128 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 23:39:35,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (((\old(waterLevel) <= 0 || !(waterLevel == 0)) && systemActive == 1) && \old(pumpRunning) == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) [2018-12-08 23:39:35,145 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || ((\old(waterLevel) <= 0 && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) [2018-12-08 23:39:35,163 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_22948517-3d27-461b-bd17-d2bfb2b997f2/bin-2019/ukojak/witness.graphml [2018-12-08 23:39:35,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:39:35,164 INFO L168 Benchmark]: Toolchain (without parser) took 17576.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 408.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 255.3 MB. Max. memory is 11.5 GB. [2018-12-08 23:39:35,164 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. [2018-12-08 23:39:35,164 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:39:35,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.84 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:39:35,165 INFO L168 Benchmark]: Boogie Preprocessor took 17.34 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. [2018-12-08 23:39:35,165 INFO L168 Benchmark]: RCFGBuilder took 481.70 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. [2018-12-08 23:39:35,165 INFO L168 Benchmark]: CodeCheck took 16723.19 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 296.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -81.9 MB). Peak memory consumption was 214.8 MB. Max. memory is 11.5 GB. [2018-12-08 23:39:35,166 INFO L168 Benchmark]: Witness Printer took 46.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 121.9 kB). Peak memory consumption was 121.9 kB. Max. memory is 11.5 GB. [2018-12-08 23:39:35,167 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, 16.4s OverallTime, 57 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -464518520 SDtfs, 664137886 SDslu, 1410289712 SDs, 0 SdLazy, 1413440874 SolverSat, 1755922124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23625 GetRequests, 22944 SyntacticMatches, 323 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64346 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2074 NumberOfCodeBlocks, 2074 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 2018 ConstructedInterpolants, 0 QuantifiedInterpolants, 201033 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 56 InterpolantComputations, 40 PerfectInterpolantSequences, 767/837 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: 44]: 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: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (((\old(waterLevel) <= 0 || !(waterLevel == 0)) && systemActive == 1) && \old(pumpRunning) == pumpRunning)) || (waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || ((\old(waterLevel) <= 0 && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 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 272.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.84 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.34 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. * RCFGBuilder took 481.70 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: 71.0 MB). Peak memory consumption was 71.0 MB. Max. memory is 11.5 GB. * CodeCheck took 16723.19 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 296.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -81.9 MB). Peak memory consumption was 214.8 MB. Max. memory is 11.5 GB. * Witness Printer took 46.82 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 121.9 kB). Peak memory consumption was 121.9 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...