./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/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 0.1.24-678e011 [2019-11-20 02:02:28,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:02:28,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:02:28,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:02:28,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:02:28,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:02:28,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:02:28,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:02:28,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:02:28,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:02:28,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:02:28,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:02:28,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:02:28,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:02:28,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:02:28,739 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:02:28,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:02:28,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:02:28,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:02:28,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:02:28,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:02:28,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:02:28,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:02:28,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:02:28,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:02:28,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:02:28,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:02:28,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:02:28,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:02:28,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:02:28,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:02:28,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:02:28,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:02:28,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:02:28,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:02:28,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:02:28,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:02:28,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:02:28,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:02:28,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:02:28,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:02:28,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:02:28,790 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:02:28,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:02:28,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:02:28,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:02:28,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:02:28,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:02:28,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:02:28,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:02:28,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:02:28,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:02:28,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:02:28,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:02:28,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:02:28,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:02:28,793 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:02:28,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:02:28,793 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:02:28,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:02:28,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:02:28,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:02:28,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:02:28,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:02:28,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:02:28,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:02:28,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:02:28,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:02:28,795 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:02:28,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:02:28,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:02:28,796 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/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/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 [2019-11-20 02:02:28,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:02:28,976 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:02:28,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:02:28,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:02:28,981 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:02:28,981 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-20 02:02:29,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/data/35d4e8491/cb428caf33af47e885f8c724aed6a468/FLAGe2f41073f [2019-11-20 02:02:29,493 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:02:29,493 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2019-11-20 02:02:29,503 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/data/35d4e8491/cb428caf33af47e885f8c724aed6a468/FLAGe2f41073f [2019-11-20 02:02:30,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/data/35d4e8491/cb428caf33af47e885f8c724aed6a468 [2019-11-20 02:02:30,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:02:30,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:02:30,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:02:30,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:02:30,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:02:30,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ed8bdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30, skipping insertion in model container [2019-11-20 02:02:30,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,017 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:02:30,060 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:02:30,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:02:30,529 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:02:30,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:02:30,655 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:02:30,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30 WrapperNode [2019-11-20 02:02:30,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:02:30,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:02:30,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:02:30,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:02:30,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,708 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:02:30,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:02:30,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:02:30,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:02:30,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... [2019-11-20 02:02:30,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:02:30,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:02:30,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:02:30,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:02:30,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/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 [2019-11-20 02:02:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:02:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 02:02:30,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 02:02:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 02:02:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 02:02:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 02:02:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 02:02:30,825 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 02:02:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 02:02:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 02:02:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 02:02:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:02:30,826 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 02:02:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 02:02:30,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:02:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:02:31,599 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:02:31,600 INFO L285 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-20 02:02:31,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:02:31 BoogieIcfgContainer [2019-11-20 02:02:31,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:02:31,601 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:02:31,601 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:02:31,611 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:02:31,612 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:02:31" (1/1) ... [2019-11-20 02:02:31,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:02:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-20 02:02:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-20 02:02:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 02:02:31,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-20 02:02:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-20 02:02:31,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 02:02:31,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-20 02:02:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-20 02:02:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 02:02:32,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2019-11-20 02:02:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2019-11-20 02:02:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 02:02:32,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2019-11-20 02:02:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2019-11-20 02:02:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:02:32,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 105 transitions. [2019-11-20 02:02:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 105 transitions. [2019-11-20 02:02:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:02:32,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2019-11-20 02:02:32,860 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2019-11-20 02:02:32,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 02:02:32,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 109 transitions. [2019-11-20 02:02:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2019-11-20 02:02:32,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 02:02:32,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2019-11-20 02:02:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2019-11-20 02:02:32,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 02:02:32,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:33,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 87 states and 141 transitions. [2019-11-20 02:02:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2019-11-20 02:02:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:02:33,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 88 states and 142 transitions. [2019-11-20 02:02:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 142 transitions. [2019-11-20 02:02:33,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:02:33,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:33,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:02:34,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:34,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 93 states and 149 transitions. [2019-11-20 02:02:34,192 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2019-11-20 02:02:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 02:02:34,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:34,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 99 states and 161 transitions. [2019-11-20 02:02:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 161 transitions. [2019-11-20 02:02:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:02:34,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:34,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:34,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:34,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 157 transitions. [2019-11-20 02:02:34,609 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2019-11-20 02:02:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 02:02:34,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 02:02:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 104 states and 177 transitions. [2019-11-20 02:02:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 177 transitions. [2019-11-20 02:02:36,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 02:02:36,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:36,233 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:36,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 113 states and 199 transitions. [2019-11-20 02:02:36,588 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 199 transitions. [2019-11-20 02:02:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 02:02:36,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 115 states and 203 transitions. [2019-11-20 02:02:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 203 transitions. [2019-11-20 02:02:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:02:36,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:37,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:37,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 116 states and 204 transitions. [2019-11-20 02:02:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 204 transitions. [2019-11-20 02:02:37,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:02:37,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 117 states and 205 transitions. [2019-11-20 02:02:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 205 transitions. [2019-11-20 02:02:37,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:02:37,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 118 states and 206 transitions. [2019-11-20 02:02:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 206 transitions. [2019-11-20 02:02:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 02:02:37,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:02:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 128 states and 235 transitions. [2019-11-20 02:02:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 235 transitions. [2019-11-20 02:02:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 02:02:38,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:02:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:39,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 129 states and 236 transitions. [2019-11-20 02:02:39,034 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 236 transitions. [2019-11-20 02:02:39,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 02:02:39,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:02:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 238 transitions. [2019-11-20 02:02:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 238 transitions. [2019-11-20 02:02:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 02:02:39,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:02:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 136 states and 254 transitions. [2019-11-20 02:02:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 254 transitions. [2019-11-20 02:02:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-20 02:02:39,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 02:02:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 145 states and 281 transitions. [2019-11-20 02:02:40,984 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 281 transitions. [2019-11-20 02:02:40,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 02:02:40,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 02:02:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:41,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 149 states and 288 transitions. [2019-11-20 02:02:41,322 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 288 transitions. [2019-11-20 02:02:41,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 02:02:41,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-20 02:02:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 153 states and 297 transitions. [2019-11-20 02:02:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2019-11-20 02:02:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 02:02:42,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:42,942 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 02:02:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 151 states and 293 transitions. [2019-11-20 02:02:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 293 transitions. [2019-11-20 02:02:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 02:02:42,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:02:43,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:43,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 157 states and 306 transitions. [2019-11-20 02:02:43,915 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 306 transitions. [2019-11-20 02:02:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 02:02:43,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 02:02:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:43,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 157 states and 305 transitions. [2019-11-20 02:02:43,978 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 305 transitions. [2019-11-20 02:02:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 02:02:43,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:44,015 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:02:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 159 states and 308 transitions. [2019-11-20 02:02:44,043 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 308 transitions. [2019-11-20 02:02:44,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 02:02:44,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:44,226 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 02:02:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 161 states and 309 transitions. [2019-11-20 02:02:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 309 transitions. [2019-11-20 02:02:44,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 02:02:44,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 02:02:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 157 states and 299 transitions. [2019-11-20 02:02:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 299 transitions. [2019-11-20 02:02:44,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 02:02:44,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 02:02:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 158 states and 300 transitions. [2019-11-20 02:02:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 300 transitions. [2019-11-20 02:02:44,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 02:02:44,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:02:44,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 151 states and 287 transitions. [2019-11-20 02:02:44,955 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2019-11-20 02:02:44,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 02:02:44,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:02:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 162 states and 309 transitions. [2019-11-20 02:02:47,051 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 309 transitions. [2019-11-20 02:02:47,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 02:02:47,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 02:02:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 151 states and 280 transitions. [2019-11-20 02:02:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 280 transitions. [2019-11-20 02:02:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-20 02:02:47,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-20 02:02:48,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:48,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 76 states and 107 transitions. [2019-11-20 02:02:48,233 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2019-11-20 02:02:48,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:02:48,234 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2019-11-20 02:02:48,243 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:02:48,572 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,576 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 02:02:48,580 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,580 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,581 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,581 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,581 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,581 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 02:02:48,582 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,582 INFO L569 CodeCheckObserver]: Invariant with dag size 12 [2019-11-20 02:02:48,583 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:48,583 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 02:02:48,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:02:48 ImpRootNode [2019-11-20 02:02:48,584 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:02:48,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:02:48,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:02:48,584 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:02:48,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:02:31" (3/4) ... [2019-11-20 02:02:48,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:02:48,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-20 02:02:48,594 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 02:02:48,595 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 02:02:48,595 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 02:02:48,595 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 02:02:48,595 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 02:02:48,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-20 02:02:48,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-20 02:02:48,607 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 02:02:48,608 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 02:02:48,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:02:48,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:02:48,640 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-20 02:02:48,641 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(pumpRunning == 0) [2019-11-20 02:02:48,642 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || 0 == tmp) || !(pumpRunning == 0)) || !(pumpRunning == \old(pumpRunning)) [2019-11-20 02:02:48,685 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_48ad140d-454c-4dda-8a7d-427061c6ab4c/bin/ukojak/witness.graphml [2019-11-20 02:02:48,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:02:48,687 INFO L168 Benchmark]: Toolchain (without parser) took 18683.88 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 378.0 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -242.5 MB). Peak memory consumption was 135.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:48,688 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:02:48,688 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:48,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.76 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:48,689 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 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. [2019-11-20 02:02:48,689 INFO L168 Benchmark]: RCFGBuilder took 857.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:48,690 INFO L168 Benchmark]: CodeCheck took 16982.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -155.5 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:48,690 INFO L168 Benchmark]: Witness Printer took 101.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:48,692 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: 16.6s, OverallIterations: 38, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 410144864 SDtfs, -1015404634 SDslu, -185023040 SDs, 0 SdLazy, -353104338 SolverSat, -106521932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16763 GetRequests, 16375 SyntacticMatches, 146 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24067 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1674 NumberOfCodeBlocks, 1674 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1637 ConstructedInterpolants, 0 QuantifiedInterpolants, 168978 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 26 PerfectInterpolantSequences, 709/781 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 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 651.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.76 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.38 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 857.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * CodeCheck took 16982.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 234.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -155.5 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * Witness Printer took 101.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...