./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_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_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:46:35,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:46:35,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:46:35,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:46:35,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:46:35,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:46:35,131 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:46:35,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:46:35,133 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:46:35,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:46:35,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:46:35,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:46:35,134 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:46:35,134 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:46:35,135 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:46:35,135 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:46:35,136 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:46:35,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:46:35,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:46:35,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:46:35,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:46:35,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:46:35,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:46:35,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:46:35,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:46:35,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:46:35,142 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:46:35,143 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:46:35,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:46:35,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:46:35,144 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:46:35,144 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:46:35,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:46:35,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:46:35,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:46:35,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:46:35,145 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 02:46:35,153 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:46:35,153 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:46:35,154 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:46:35,154 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 02:46:35,155 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:46:35,155 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:46:35,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:46:35,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:46:35,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:46:35,156 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:46:35,157 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:46:35,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:46:35,157 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 02:46:35,157 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 02:46:35,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:46:35,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:46:35,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:46:35,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:46:35,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:46:35,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:46:35,158 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 02:46:35,158 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:46:35,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:46:35,159 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_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2018-12-02 02:46:35,181 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:46:35,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:46:35,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:46:35,192 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:46:35,192 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:46:35,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-12-02 02:46:35,229 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/data/ab06e2082/b7beb640d3cb4c9d965b1ce2997637d1/FLAG4010cdae4 [2018-12-02 02:46:35,700 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:46:35,700 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/sv-benchmarks/c/product-lines/minepump_spec2_product05_true-unreach-call_false-termination.cil.c [2018-12-02 02:46:35,706 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/data/ab06e2082/b7beb640d3cb4c9d965b1ce2997637d1/FLAG4010cdae4 [2018-12-02 02:46:35,715 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/data/ab06e2082/b7beb640d3cb4c9d965b1ce2997637d1 [2018-12-02 02:46:35,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:46:35,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:46:35,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:46:35,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:46:35,720 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:46:35,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:46:35" (1/1) ... [2018-12-02 02:46:35,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:35, skipping insertion in model container [2018-12-02 02:46:35,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:46:35" (1/1) ... [2018-12-02 02:46:35,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:46:35,748 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:46:35,900 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:46:35,957 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:46:35,997 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:46:36,012 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:46:36,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36 WrapperNode [2018-12-02 02:46:36,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:46:36,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:46:36,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:46:36,013 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:46:36,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:46:36,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:46:36,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:46:36,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:46:36,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:46:36,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:46:36,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:46:36,059 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:46:36,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 02:46:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:46:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:46:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:46:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:46:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:46:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:46:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:46:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:46:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:46:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:46:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:46:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:46:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:46:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:46:36,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:46:36,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:46:36,444 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:46:36,444 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-02 02:46:36,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:46:36 BoogieIcfgContainer [2018-12-02 02:46:36,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:46:36,445 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 02:46:36,445 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 02:46:36,454 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 02:46:36,454 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:46:36" (1/1) ... [2018-12-02 02:46:36,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:46:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-12-02 02:46:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-02 02:46:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 02:46:36,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:36,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-02 02:46:36,639 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-02 02:46:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 02:46:36,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-12-02 02:46:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-02 02:46:36,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 02:46:36,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-12-02 02:46:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-12-02 02:46:36,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 02:46:36,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:36,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2018-12-02 02:46:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2018-12-02 02:46:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 02:46:36,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2018-12-02 02:46:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2018-12-02 02:46:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 02:46:36,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:37,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:37,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 77 states and 116 transitions. [2018-12-02 02:46:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 116 transitions. [2018-12-02 02:46:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 02:46:37,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:37,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:37,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2018-12-02 02:46:37,381 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2018-12-02 02:46:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 02:46:37,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2018-12-02 02:46:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2018-12-02 02:46:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 02:46:37,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:37,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:46:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 99 states and 158 transitions. [2018-12-02 02:46:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2018-12-02 02:46:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 02:46:37,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:37,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 100 states and 159 transitions. [2018-12-02 02:46:37,887 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-12-02 02:46:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 02:46:37,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 106 states and 172 transitions. [2018-12-02 02:46:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2018-12-02 02:46:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 02:46:38,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:38,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:38,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 104 states and 168 transitions. [2018-12-02 02:46:38,118 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-12-02 02:46:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 02:46:38,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:38,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:46:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 111 states and 185 transitions. [2018-12-02 02:46:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 185 transitions. [2018-12-02 02:46:38,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 02:46:38,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:38,962 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:39,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:39,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 203 transitions. [2018-12-02 02:46:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 203 transitions. [2018-12-02 02:46:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 02:46:39,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:39,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 122 states and 207 transitions. [2018-12-02 02:46:39,286 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 207 transitions. [2018-12-02 02:46:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 02:46:39,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:39,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 208 transitions. [2018-12-02 02:46:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2018-12-02 02:46:39,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 02:46:39,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 02:46:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:39,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 124 states and 209 transitions. [2018-12-02 02:46:39,363 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2018-12-02 02:46:39,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 02:46:39,365 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:46:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 137 states and 244 transitions. [2018-12-02 02:46:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 244 transitions. [2018-12-02 02:46:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 02:46:40,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:46:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 138 states and 245 transitions. [2018-12-02 02:46:40,154 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 245 transitions. [2018-12-02 02:46:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 02:46:40,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:46:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 149 states and 274 transitions. [2018-12-02 02:46:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 274 transitions. [2018-12-02 02:46:41,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-02 02:46:41,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:46:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:41,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 297 transitions. [2018-12-02 02:46:41,182 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 297 transitions. [2018-12-02 02:46:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 02:46:41,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:41,199 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:46:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 298 transitions. [2018-12-02 02:46:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 298 transitions. [2018-12-02 02:46:41,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 02:46:41,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 02:46:41,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:41,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 158 states and 299 transitions. [2018-12-02 02:46:41,240 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2018-12-02 02:46:41,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 02:46:41,241 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:46:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 162 states and 306 transitions. [2018-12-02 02:46:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 306 transitions. [2018-12-02 02:46:41,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 02:46:41,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 02:46:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 166 states and 315 transitions. [2018-12-02 02:46:42,405 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2018-12-02 02:46:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 02:46:42,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:46:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 157 states and 292 transitions. [2018-12-02 02:46:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 292 transitions. [2018-12-02 02:46:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 02:46:42,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:46:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 155 states and 288 transitions. [2018-12-02 02:46:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 288 transitions. [2018-12-02 02:46:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 02:46:42,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 02:46:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 161 states and 301 transitions. [2018-12-02 02:46:43,234 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 301 transitions. [2018-12-02 02:46:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 02:46:43,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:46:43,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 161 states and 300 transitions. [2018-12-02 02:46:43,273 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 300 transitions. [2018-12-02 02:46:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 02:46:43,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 02:46:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 163 states and 303 transitions. [2018-12-02 02:46:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 303 transitions. [2018-12-02 02:46:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 02:46:43,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 02:46:43,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 165 states and 304 transitions. [2018-12-02 02:46:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 304 transitions. [2018-12-02 02:46:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 02:46:43,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 02:46:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 161 states and 294 transitions. [2018-12-02 02:46:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 294 transitions. [2018-12-02 02:46:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 02:46:43,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 02:46:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 162 states and 295 transitions. [2018-12-02 02:46:43,805 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2018-12-02 02:46:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 02:46:43,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 02:46:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:43,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 155 states and 282 transitions. [2018-12-02 02:46:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 282 transitions. [2018-12-02 02:46:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 02:46:43,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 02:46:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 166 states and 304 transitions. [2018-12-02 02:46:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 304 transitions. [2018-12-02 02:46:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 02:46:44,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 02:46:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:46:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-02 02:46:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 02:46:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 76 states and 107 transitions. [2018-12-02 02:46:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2018-12-02 02:46:45,305 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:46:45,305 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-12-02 02:46:45,311 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 02:46:45,498 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,500 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,500 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,500 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,500 INFO L583 CodeCheckObserver]: Invariant with dag size 12 [2018-12-02 02:46:45,503 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 02:46:45,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,504 INFO L583 CodeCheckObserver]: Invariant with dag size 9 [2018-12-02 02:46:45,504 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 02:46:45,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:46:45 ImpRootNode [2018-12-02 02:46:45,505 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 02:46:45,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:46:45,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:46:45,505 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:46:45,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:46:36" (3/4) ... [2018-12-02 02:46:45,509 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:46:45,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 02:46:45,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 02:46:45,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 02:46:45,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 02:46:45,512 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 02:46:45,513 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 02:46:45,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-12-02 02:46:45,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 02:46:45,516 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:46:45,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 02:46:45,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:46:45,517 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:46:45,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-12-02 02:46:45,535 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) [2018-12-02 02:46:45,557 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b3b961aa-cfff-43f4-890e-fef07d6bcdb4/bin-2019/ukojak/witness.graphml [2018-12-02 02:46:45,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:46:45,558 INFO L168 Benchmark]: Toolchain (without parser) took 9840.97 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 276.3 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -67.3 MB). Peak memory consumption was 209.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:46:45,559 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:46:45,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:46:45,560 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:46:45,560 INFO L168 Benchmark]: Boogie Preprocessor took 16.88 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:46:45,560 INFO L168 Benchmark]: RCFGBuilder took 386.12 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:46:45,560 INFO L168 Benchmark]: CodeCheck took 9059.79 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.7 MB). Peak memory consumption was 167.5 MB. Max. memory is 11.5 GB. [2018-12-02 02:46:45,561 INFO L168 Benchmark]: Witness Printer took 52.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-12-02 02:46:45,562 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, 66 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -929478608 SDtfs, -335696942 SDslu, -157474084 SDs, 0 SdLazy, 1293616914 SolverSat, -704801456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16936 GetRequests, 16524 SyntacticMatches, 166 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26991 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1702 NumberOfCodeBlocks, 1702 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 176272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 23 PerfectInterpolantSequences, 752/830 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: 510]: 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: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((tmp == methaneLevelCritical || 0 == tmp) || !(0 == pumpRunning)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.90 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.88 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 386.12 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * CodeCheck took 9059.79 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 177.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -9.7 MB). Peak memory consumption was 167.5 MB. Max. memory is 11.5 GB. * Witness Printer took 52.52 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...