./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_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/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_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/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 [2018-12-01 18:07:48,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:07:48,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:07:48,874 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:07:48,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:07:48,874 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:07:48,875 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:07:48,876 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:07:48,877 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:07:48,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:07:48,878 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:07:48,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:07:48,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:07:48,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:07:48,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:07:48,880 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:07:48,880 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:07:48,881 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:07:48,882 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:07:48,883 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:07:48,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:07:48,884 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:07:48,886 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:07:48,886 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:07:48,886 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:07:48,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:07:48,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:07:48,887 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:07:48,888 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:07:48,888 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:07:48,889 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:07:48,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:07:48,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:07:48,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:07:48,890 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:07:48,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:07:48,890 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 18:07:48,898 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:07:48,898 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:07:48,898 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:07:48,898 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:07:48,899 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:07:48,899 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:07:48,899 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:07:48,899 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:07:48,899 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:07:48,899 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:07:48,900 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:07:48,901 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:07:48,901 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:07:48,901 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:07:48,901 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:07:48,901 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:07:48,901 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:07:48,901 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:07:48,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:07:48,902 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:07:48,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:07:48,902 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:07:48,902 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_8e0b84f7-5372-4129-8393-46ddd653c023/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 [2018-12-01 18:07:48,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:07:48,926 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:07:48,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:07:48,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:07:48,929 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:07:48,929 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-01 18:07:48,964 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/data/a04c3059f/9558a45bc0354b95ad0f6e7e659c8b93/FLAG7f249d650 [2018-12-01 18:07:49,364 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:07:49,364 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-12-01 18:07:49,370 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/data/a04c3059f/9558a45bc0354b95ad0f6e7e659c8b93/FLAG7f249d650 [2018-12-01 18:07:49,378 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/data/a04c3059f/9558a45bc0354b95ad0f6e7e659c8b93 [2018-12-01 18:07:49,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:07:49,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:07:49,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:07:49,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:07:49,383 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:07:49,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49, skipping insertion in model container [2018-12-01 18:07:49,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:07:49,409 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:07:49,550 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:07:49,557 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:07:49,627 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:07:49,641 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:07:49,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49 WrapperNode [2018-12-01 18:07:49,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:07:49,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:07:49,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:07:49,642 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:07:49,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:07:49,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:07:49,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:07:49,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:07:49,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... [2018-12-01 18:07:49,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:07:49,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:07:49,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:07:49,690 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:07:49,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:07:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/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 [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 18:07:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 18:07:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 18:07:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 18:07:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 18:07:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 18:07:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:07:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 18:07:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 18:07:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:07:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:07:50,121 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:07:50,122 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-12-01 18:07:50,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:50 BoogieIcfgContainer [2018-12-01 18:07:50,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:07:50,123 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:07:50,123 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:07:50,131 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:07:50,132 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:50" (1/1) ... [2018-12-01 18:07:50,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:07:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2018-12-01 18:07:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2018-12-01 18:07:50,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 18:07:50,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-12-01 18:07:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-12-01 18:07:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:07:50,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2018-12-01 18:07:50,373 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2018-12-01 18:07:50,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:07:50,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-12-01 18:07:50,508 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-12-01 18:07:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 18:07:50,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 91 transitions. [2018-12-01 18:07:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2018-12-01 18:07:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:07:50,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2018-12-01 18:07:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2018-12-01 18:07:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:07:50,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 93 transitions. [2018-12-01 18:07:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2018-12-01 18:07:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:07:50,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 79 states and 127 transitions. [2018-12-01 18:07:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2018-12-01 18:07:50,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 18:07:50,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:50,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2018-12-01 18:07:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2018-12-01 18:07:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:07:51,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2018-12-01 18:07:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2018-12-01 18:07:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 18:07:51,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 99 states and 169 transitions. [2018-12-01 18:07:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2018-12-01 18:07:51,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 18:07:51,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 170 transitions. [2018-12-01 18:07:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2018-12-01 18:07:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 18:07:51,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 107 states and 186 transitions. [2018-12-01 18:07:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2018-12-01 18:07:51,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:07:51,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,730 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 108 states and 189 transitions. [2018-12-01 18:07:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 189 transitions. [2018-12-01 18:07:51,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:51,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 109 states and 192 transitions. [2018-12-01 18:07:51,836 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 192 transitions. [2018-12-01 18:07:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:51,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,849 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:51,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:51,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 110 states and 195 transitions. [2018-12-01 18:07:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 195 transitions. [2018-12-01 18:07:51,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 18:07:51,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 113 states and 202 transitions. [2018-12-01 18:07:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 202 transitions. [2018-12-01 18:07:52,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 18:07:52,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:52,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 114 states and 204 transitions. [2018-12-01 18:07:52,135 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 204 transitions. [2018-12-01 18:07:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:52,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:52,147 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:52,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 118 states and 208 transitions. [2018-12-01 18:07:52,161 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 208 transitions. [2018-12-01 18:07:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:52,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:52,202 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 132 states and 244 transitions. [2018-12-01 18:07:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 244 transitions. [2018-12-01 18:07:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:07:52,686 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 143 states and 288 transitions. [2018-12-01 18:07:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 288 transitions. [2018-12-01 18:07:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:07:53,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:53,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 147 states and 303 transitions. [2018-12-01 18:07:53,654 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 303 transitions. [2018-12-01 18:07:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:07:53,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 149 states and 305 transitions. [2018-12-01 18:07:53,785 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 305 transitions. [2018-12-01 18:07:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 18:07:53,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:53,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 150 states and 310 transitions. [2018-12-01 18:07:53,801 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 310 transitions. [2018-12-01 18:07:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:53,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 159 states and 347 transitions. [2018-12-01 18:07:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 347 transitions. [2018-12-01 18:07:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:55,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 161 states and 353 transitions. [2018-12-01 18:07:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 353 transitions. [2018-12-01 18:07:55,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:07:55,321 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,332 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:07:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 162 states and 353 transitions. [2018-12-01 18:07:55,337 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 353 transitions. [2018-12-01 18:07:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 18:07:55,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 163 states and 354 transitions. [2018-12-01 18:07:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 354 transitions. [2018-12-01 18:07:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 18:07:55,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 164 states and 355 transitions. [2018-12-01 18:07:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 355 transitions. [2018-12-01 18:07:55,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 18:07:55,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 165 states and 356 transitions. [2018-12-01 18:07:55,409 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 356 transitions. [2018-12-01 18:07:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 18:07:55,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,426 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 166 states and 357 transitions. [2018-12-01 18:07:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 357 transitions. [2018-12-01 18:07:55,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 18:07:55,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:55,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:55,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 167 states and 358 transitions. [2018-12-01 18:07:55,639 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 358 transitions. [2018-12-01 18:07:55,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-01 18:07:55,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:56,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:56,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 170 states and 360 transitions. [2018-12-01 18:07:56,305 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 360 transitions. [2018-12-01 18:07:56,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-01 18:07:56,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:56,319 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 171 states and 360 transitions. [2018-12-01 18:07:56,502 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 360 transitions. [2018-12-01 18:07:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:07:56,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:56,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:07:56,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 174 states and 365 transitions. [2018-12-01 18:07:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 365 transitions. [2018-12-01 18:07:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 18:07:56,974 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:57,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 179 states and 369 transitions. [2018-12-01 18:07:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 369 transitions. [2018-12-01 18:07:57,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 18:07:57,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 181 states and 373 transitions. [2018-12-01 18:07:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 373 transitions. [2018-12-01 18:07:57,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 18:07:57,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 181 states and 363 transitions. [2018-12-01 18:07:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 363 transitions. [2018-12-01 18:07:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-01 18:07:58,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:58,273 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 186 states and 372 transitions. [2018-12-01 18:07:58,362 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 372 transitions. [2018-12-01 18:07:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-01 18:07:58,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:58,404 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 187 states and 372 transitions. [2018-12-01 18:07:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 372 transitions. [2018-12-01 18:07:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 18:07:58,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:58,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:58,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 188 states and 373 transitions. [2018-12-01 18:07:58,455 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 373 transitions. [2018-12-01 18:07:58,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 18:07:58,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:07:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 189 states and 374 transitions. [2018-12-01 18:07:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 374 transitions. [2018-12-01 18:07:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:07:58,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:07:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 192 states and 379 transitions. [2018-12-01 18:07:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 379 transitions. [2018-12-01 18:07:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 18:07:59,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:07:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 196 states and 386 transitions. [2018-12-01 18:07:59,140 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 386 transitions. [2018-12-01 18:07:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 18:07:59,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:07:59,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 197 states and 386 transitions. [2018-12-01 18:07:59,350 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 386 transitions. [2018-12-01 18:07:59,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-01 18:07:59,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,360 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 18:07:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 198 states and 386 transitions. [2018-12-01 18:07:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 386 transitions. [2018-12-01 18:07:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 18:07:59,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:07:59,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 185 states and 359 transitions. [2018-12-01 18:07:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 359 transitions. [2018-12-01 18:07:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 18:07:59,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:07:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 189 states and 366 transitions. [2018-12-01 18:07:59,507 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 366 transitions. [2018-12-01 18:07:59,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:07:59,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:07:59,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 187 states and 362 transitions. [2018-12-01 18:07:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 362 transitions. [2018-12-01 18:07:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 18:07:59,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-01 18:07:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 184 states and 356 transitions. [2018-12-01 18:07:59,576 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 356 transitions. [2018-12-01 18:07:59,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-01 18:07:59,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:07:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 185 states and 356 transitions. [2018-12-01 18:07:59,595 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 356 transitions. [2018-12-01 18:07:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:07:59,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:07:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 183 states and 352 transitions. [2018-12-01 18:07:59,617 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 352 transitions. [2018-12-01 18:07:59,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:07:59,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,627 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:07:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 178 states and 342 transitions. [2018-12-01 18:07:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 342 transitions. [2018-12-01 18:07:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 18:07:59,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:07:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:07:59,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 180 states and 343 transitions. [2018-12-01 18:07:59,815 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 343 transitions. [2018-12-01 18:07:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:07:59,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:07:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:07:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 18:08:00,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:08:00,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 87 states and 139 transitions. [2018-12-01 18:08:00,053 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2018-12-01 18:08:00,053 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:08:00,053 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 55 iterations. [2018-12-01 18:08:00,059 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 18:08:00,233 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,235 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,235 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-01 18:08:00,238 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,238 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,238 INFO L583 CodeCheckObserver]: Invariant with dag size 15 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,239 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 18:08:00,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:08:00 ImpRootNode [2018-12-01 18:08:00,239 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 18:08:00,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:08:00,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:08:00,240 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:08:00,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:07:50" (3/4) ... [2018-12-01 18:08:00,242 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:08:00,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 18:08:00,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 18:08:00,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 18:08:00,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 18:08:00,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 18:08:00,246 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 18:08:00,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-12-01 18:08:00,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-01 18:08:00,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 18:08:00,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 18:08:00,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 18:08:00,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:08:00,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || (systemActive == 1 && \old(pumpRunning) == pumpRunning)) || (\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) [2018-12-01 18:08:00,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning) [2018-12-01 18:08:00,285 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e0b84f7-5372-4129-8393-46ddd653c023/bin-2019/ukojak/witness.graphml [2018-12-01 18:08:00,285 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:08:00,285 INFO L168 Benchmark]: Toolchain (without parser) took 10905.19 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 448.8 MB). Free memory was 957.1 MB in the beginning and 910.1 MB in the end (delta: 47.0 MB). Peak memory consumption was 495.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:08:00,286 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-01 18:08:00,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-01 18:08:00,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.42 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. [2018-12-01 18:08:00,286 INFO L168 Benchmark]: Boogie Preprocessor took 17.13 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. [2018-12-01 18:08:00,286 INFO L168 Benchmark]: RCFGBuilder took 432.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:08:00,287 INFO L168 Benchmark]: CodeCheck took 10116.96 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 312.0 MB). Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 139.9 MB). Peak memory consumption was 451.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:08:00,287 INFO L168 Benchmark]: Witness Printer took 45.00 ms. Allocated memory is still 1.5 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:08:00,288 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, 9.9s OverallTime, 55 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1026130352 SDtfs, 1666300870 SDslu, -1673374784 SDs, 0 SdLazy, -132867098 SolverSat, 583451088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21599 GetRequests, 21082 SyntacticMatches, 239 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38434 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1919 NumberOfCodeBlocks, 1919 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1865 ConstructedInterpolants, 0 QuantifiedInterpolants, 157136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 36 PerfectInterpolantSequences, 656/726 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: (!(0 == pumpRunning) || (systemActive == 1 && \old(pumpRunning) == 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 == systemActive) && \old(pumpRunning) == pumpRunning) || !(0 == 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.42 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 17.13 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 432.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * CodeCheck took 10116.96 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 312.0 MB). Free memory was 1.1 GB in the beginning and 910.1 MB in the end (delta: 139.9 MB). Peak memory consumption was 451.9 MB. Max. memory is 11.5 GB. * Witness Printer took 45.00 ms. Allocated memory is still 1.5 GB. Free memory is still 910.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...