./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/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 5c8fccd9aead26260fe6c28d5df9729813f96355 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:17:34,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:34,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:34,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:34,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:34,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:34,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:34,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:34,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:34,079 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:34,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:34,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:34,081 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:34,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:34,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:34,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:34,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:34,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:34,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:34,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:34,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:34,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:34,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:34,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:34,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:34,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:34,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:34,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:34,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:34,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:34,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:34,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:34,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:34,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:34,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:34,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:34,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:34,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:34,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:34,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:34,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:34,119 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:34,143 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:34,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:34,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:34,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:34,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:34,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:34,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:34,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:34,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:34,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:34,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:34,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:34,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:34,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:34,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:34,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:34,147 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:34,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:34,147 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:34,147 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:34,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:34,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:34,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:34,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:34,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:34,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:34,149 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:34,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:34,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:34,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_883248f5-988f-4556-bad2-706be8698afc/bin/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 -> 5c8fccd9aead26260fe6c28d5df9729813f96355 [2019-10-22 10:17:34,186 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:34,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:34,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:34,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:34,205 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:34,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-10-22 10:17:34,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/data/315c11591/957b080e8ce1443ea5762f7da2202674/FLAGc3127b41c [2019-10-22 10:17:34,719 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:34,719 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-10-22 10:17:34,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/data/315c11591/957b080e8ce1443ea5762f7da2202674/FLAGc3127b41c [2019-10-22 10:17:35,050 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/data/315c11591/957b080e8ce1443ea5762f7da2202674 [2019-10-22 10:17:35,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:35,054 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:35,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:35,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:35,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:35,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79338882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35, skipping insertion in model container [2019-10-22 10:17:35,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:35,126 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:35,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:35,541 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:35,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:35,678 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:35,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35 WrapperNode [2019-10-22 10:17:35,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:35,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:35,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:35,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:35,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:35,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:35,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:35,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:35,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... [2019-10-22 10:17:35,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:35,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:35,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:35,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:35,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/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 [2019-10-22 10:17:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:17:35,887 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:17:35,887 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:17:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:17:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:17:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:17:35,889 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:17:35,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:17:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:17:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:17:35,890 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:17:35,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:17:35,891 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:17:35,891 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:17:35,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:35,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:36,799 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:36,800 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:17:36,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:36 BoogieIcfgContainer [2019-10-22 10:17:36,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:36,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:36,802 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:36,813 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:36,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:36" (1/1) ... [2019-10-22 10:17:36,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-10-22 10:17:36,871 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-10-22 10:17:36,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:36,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-10-22 10:17:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-10-22 10:17:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:17:37,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:37,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:37,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-10-22 10:17:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-10-22 10:17:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:17:37,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:37,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-10-22 10:17:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-10-22 10:17:37,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:37,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:37,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2019-10-22 10:17:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2019-10-22 10:17:37,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:37,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:37,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2019-10-22 10:17:37,748 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2019-10-22 10:17:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:17:37,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:37,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:38,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 104 transitions. [2019-10-22 10:17:38,115 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 104 transitions. [2019-10-22 10:17:38,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:17:38,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2019-10-22 10:17:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-10-22 10:17:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:17:38,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:38,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2019-10-22 10:17:38,257 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2019-10-22 10:17:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:17:38,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 87 states and 137 transitions. [2019-10-22 10:17:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 137 transitions. [2019-10-22 10:17:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:17:38,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 88 states and 138 transitions. [2019-10-22 10:17:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-10-22 10:17:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:17:39,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:17:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 93 states and 145 transitions. [2019-10-22 10:17:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 145 transitions. [2019-10-22 10:17:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:17:39,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:39,627 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:39,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 157 transitions. [2019-10-22 10:17:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 157 transitions. [2019-10-22 10:17:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:17:39,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 153 transitions. [2019-10-22 10:17:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2019-10-22 10:17:39,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:17:39,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:40,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:17:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 104 states and 173 transitions. [2019-10-22 10:17:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 173 transitions. [2019-10-22 10:17:41,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:17:41,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,289 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:41,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 106 states and 177 transitions. [2019-10-22 10:17:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 177 transitions. [2019-10-22 10:17:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:17:41,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 115 states and 195 transitions. [2019-10-22 10:17:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 195 transitions. [2019-10-22 10:17:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:41,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 116 states and 196 transitions. [2019-10-22 10:17:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 196 transitions. [2019-10-22 10:17:41,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:17:41,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:43,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 133 states and 247 transitions. [2019-10-22 10:17:43,523 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-10-22 10:17:43,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:17:43,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:17:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 134 states and 248 transitions. [2019-10-22 10:17:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 248 transitions. [2019-10-22 10:17:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-22 10:17:43,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 143 states and 275 transitions. [2019-10-22 10:17:44,768 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 275 transitions. [2019-10-22 10:17:44,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:44,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 144 states and 276 transitions. [2019-10-22 10:17:44,839 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 276 transitions. [2019-10-22 10:17:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:17:44,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,872 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:17:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 277 transitions. [2019-10-22 10:17:44,894 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 277 transitions. [2019-10-22 10:17:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-22 10:17:44,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:17:45,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 149 states and 284 transitions. [2019-10-22 10:17:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2019-10-22 10:17:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-22 10:17:45,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-22 10:17:46,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:46,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 153 states and 293 transitions. [2019-10-22 10:17:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2019-10-22 10:17:46,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:17:46,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:17:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 151 states and 289 transitions. [2019-10-22 10:17:46,712 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 289 transitions. [2019-10-22 10:17:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-22 10:17:46,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:46,746 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-22 10:17:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 142 states and 266 transitions. [2019-10-22 10:17:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 266 transitions. [2019-10-22 10:17:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:17:47,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:17:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 279 transitions. [2019-10-22 10:17:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 279 transitions. [2019-10-22 10:17:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:17:47,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,776 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-10-22 10:17:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 148 states and 278 transitions. [2019-10-22 10:17:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 278 transitions. [2019-10-22 10:17:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 10:17:47,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:17:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 150 states and 281 transitions. [2019-10-22 10:17:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 281 transitions. [2019-10-22 10:17:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 10:17:47,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:48,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 10:17:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 152 states and 282 transitions. [2019-10-22 10:17:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 282 transitions. [2019-10-22 10:17:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:17:48,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:48,432 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:17:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 153 states and 283 transitions. [2019-10-22 10:17:48,469 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 283 transitions. [2019-10-22 10:17:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:17:48,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:17:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 273 transitions. [2019-10-22 10:17:48,526 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 273 transitions. [2019-10-22 10:17:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-22 10:17:48,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-22 10:17:48,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:48,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 142 states and 260 transitions. [2019-10-22 10:17:48,578 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2019-10-22 10:17:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-22 10:17:48,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:17:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 153 states and 282 transitions. [2019-10-22 10:17:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 282 transitions. [2019-10-22 10:17:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-10-22 10:17:50,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-10-22 10:17:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 76 states and 107 transitions. [2019-10-22 10:17:50,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-10-22 10:17:50,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:50,991 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-10-22 10:17:51,000 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:17:51,272 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,276 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:17:51,280 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,280 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,280 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,281 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,281 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,281 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:17:51,281 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,282 INFO L575 CodeCheckObserver]: Invariant with dag size 12 [2019-10-22 10:17:51,282 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:51,283 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:17:51,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:51 ImpRootNode [2019-10-22 10:17:51,283 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:51,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:51,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:51,284 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:51,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:36" (3/4) ... [2019-10-22 10:17:51,289 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:51,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:17:51,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:17:51,294 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-10-22 10:17:51,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:17:51,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:17:51,295 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:17:51,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-10-22 10:17:51,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-10-22 10:17:51,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:17:51,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:17:51,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:17:51,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:17:51,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-10-22 10:17:51,351 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-10-22 10:17:51,352 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || 0 == tmp) || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning)) [2019-10-22 10:17:51,406 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_883248f5-988f-4556-bad2-706be8698afc/bin/ukojak/witness.graphml [2019-10-22 10:17:51,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:51,408 INFO L168 Benchmark]: Toolchain (without parser) took 16353.91 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 499.1 MB). Free memory was 948.7 MB in the beginning and 1.4 GB in the end (delta: -473.2 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,409 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:51,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.72 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,410 INFO L168 Benchmark]: Boogie Preprocessor took 40.21 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. [2019-10-22 10:17:51,410 INFO L168 Benchmark]: RCFGBuilder took 996.74 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: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,411 INFO L168 Benchmark]: CodeCheck took 14481.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 355.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -387.1 MB). Peak memory consumption was 493.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,411 INFO L168 Benchmark]: Witness Printer took 122.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,413 INFO L335 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, 47 locations, 1 error locations. Result: SAFE, OverallTime: 14.1s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 641290288 SDtfs, -1336041518 SDslu, 981932764 SDs, 0 SdLazy, -79573214 SolverSat, 1045197152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15700 GetRequests, 15325 SyntacticMatches, 141 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22254 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1589 NumberOfCodeBlocks, 1589 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1554 ConstructedInterpolants, 0 QuantifiedInterpolants, 161226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 24 PerfectInterpolantSequences, 683/754 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 518]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || 0 == tmp) || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning)) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.72 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: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.21 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 996.74 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: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 11.5 GB. * CodeCheck took 14481.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 355.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -387.1 MB). Peak memory consumption was 493.1 MB. Max. memory is 11.5 GB. * Witness Printer took 122.32 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...