./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.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_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:13:40,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:40,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:40,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:40,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:40,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:40,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:40,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:40,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:40,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:40,825 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:40,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:40,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:40,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:40,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:40,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:40,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:40,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:40,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:40,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:40,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:40,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:40,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:40,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:40,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:40,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:40,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:40,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:40,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:40,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:40,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:40,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:40,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:40,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:40,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:40,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:40,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:40,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:40,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:40,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:40,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:40,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:40,853 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:40,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:40,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:40,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:40,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:40,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:40,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:40,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:40,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:40,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:40,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:40,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:40,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:40,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:40,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:40,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:40,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:40,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:40,857 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:40,857 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:40,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:40,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:40,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:40,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:40,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:40,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:40,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:40,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:40,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:40,859 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_3f597798-ea81-4cda-a52c-9762116018f7/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2019-10-22 10:13:40,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:40,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:40,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:40,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:40,896 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:40,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-10-22 10:13:40,938 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/data/e1ca65f36/4d5e475db4484c178c08694bc103436b/FLAGce14a30f8 [2019-10-22 10:13:41,329 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:41,330 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2019-10-22 10:13:41,339 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/data/e1ca65f36/4d5e475db4484c178c08694bc103436b/FLAGce14a30f8 [2019-10-22 10:13:41,349 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/data/e1ca65f36/4d5e475db4484c178c08694bc103436b [2019-10-22 10:13:41,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:41,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:41,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:41,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:41,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:41,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d9b1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41, skipping insertion in model container [2019-10-22 10:13:41,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:41,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:41,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:41,770 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:41,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:41,850 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:41,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41 WrapperNode [2019-10-22 10:13:41,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:41,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:41,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:41,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:41,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:41,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:41,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:41,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:41,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... [2019-10-22 10:13:41,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:41,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:41,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:41,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:41,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/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 10:13:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:13:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:13:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:13:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:13:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:13:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:13:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:13:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:13:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:13:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:13:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:13:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:13:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:13:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:13:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:42,675 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:42,676 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:13:42,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:42 BoogieIcfgContainer [2019-10-22 10:13:42,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:42,677 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:42,677 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:42,686 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:42,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:42" (1/1) ... [2019-10-22 10:13:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:42,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:42,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2019-10-22 10:13:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2019-10-22 10:13:42,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:13:42,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:42,941 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 10:13:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2019-10-22 10:13:42,955 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2019-10-22 10:13:42,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:13:42,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,023 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 10:13:43,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2019-10-22 10:13:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2019-10-22 10:13:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:13:43,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,154 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 10:13:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-10-22 10:13:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-10-22 10:13:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:13:43,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,223 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 10:13:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-10-22 10:13:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-10-22 10:13:43,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:13:43,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,412 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 10:13:43,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2019-10-22 10:13:43,433 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-10-22 10:13:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:13:43,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,489 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 10:13:43,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 84 states and 130 transitions. [2019-10-22 10:13:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2019-10-22 10:13:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:13:43,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:43,931 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 10:13:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 88 states and 138 transitions. [2019-10-22 10:13:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2019-10-22 10:13:43,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:13:43,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,029 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 10:13:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 89 states and 139 transitions. [2019-10-22 10:13:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 139 transitions. [2019-10-22 10:13:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:13:44,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,088 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 10:13:44,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 140 transitions. [2019-10-22 10:13:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 140 transitions. [2019-10-22 10:13:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:13:44,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,160 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 10:13:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 91 states and 141 transitions. [2019-10-22 10:13:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 141 transitions. [2019-10-22 10:13:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:13:44,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 162 transitions. [2019-10-22 10:13:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2019-10-22 10:13:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:13:44,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 164 transitions. [2019-10-22 10:13:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2019-10-22 10:13:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:13:44,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 165 transitions. [2019-10-22 10:13:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2019-10-22 10:13:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:13:44,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 97 states and 154 transitions. [2019-10-22 10:13:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2019-10-22 10:13:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:13:44,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 109 states and 189 transitions. [2019-10-22 10:13:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2019-10-22 10:13:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:13:45,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,312 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 111 states and 192 transitions. [2019-10-22 10:13:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2019-10-22 10:13:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:13:45,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:46,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 126 states and 232 transitions. [2019-10-22 10:13:46,140 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 232 transitions. [2019-10-22 10:13:46,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:13:46,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 127 states and 232 transitions. [2019-10-22 10:13:46,333 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 232 transitions. [2019-10-22 10:13:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:13:46,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,358 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:46,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 128 states and 236 transitions. [2019-10-22 10:13:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 236 transitions. [2019-10-22 10:13:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:13:46,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:46,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 129 states and 237 transitions. [2019-10-22 10:13:46,579 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 237 transitions. [2019-10-22 10:13:46,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:13:46,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-22 10:13:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 130 states and 238 transitions. [2019-10-22 10:13:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 238 transitions. [2019-10-22 10:13:46,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:13:46,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 239 transitions. [2019-10-22 10:13:46,670 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 239 transitions. [2019-10-22 10:13:46,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:13:46,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 132 states and 240 transitions. [2019-10-22 10:13:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 240 transitions. [2019-10-22 10:13:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:13:46,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,743 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:46,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 133 states and 237 transitions. [2019-10-22 10:13:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 237 transitions. [2019-10-22 10:13:46,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:13:46,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:47,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 135 states and 243 transitions. [2019-10-22 10:13:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 243 transitions. [2019-10-22 10:13:47,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:13:47,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-22 10:13:47,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 97 states and 149 transitions. [2019-10-22 10:13:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 149 transitions. [2019-10-22 10:13:47,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:13:47,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:13:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 102 states and 156 transitions. [2019-10-22 10:13:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2019-10-22 10:13:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:13:47,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:13:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 103 states and 157 transitions. [2019-10-22 10:13:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2019-10-22 10:13:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:13:47,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:13:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 53 states and 73 transitions. [2019-10-22 10:13:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2019-10-22 10:13:47,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:13:47,639 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2019-10-22 10:13:47,650 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:13:47,824 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,827 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:13:47,831 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,831 INFO L575 CodeCheckObserver]: Invariant with dag size 10 [2019-10-22 10:13:47,832 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,832 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,832 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:47,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:47 ImpRootNode [2019-10-22 10:13:47,833 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:47,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:47,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:47,833 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:47,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:42" (3/4) ... [2019-10-22 10:13:47,837 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:13:47,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:13:47,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:13:47,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:13:47,842 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:13:47,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:13:47,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:47,843 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:13:47,848 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-10-22 10:13:47,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 10:13:47,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:13:47,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:13:47,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:13:47,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:13:47,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 1 == systemActive [2019-10-22 10:13:47,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3f597798-ea81-4cda-a52c-9762116018f7/bin/ukojak/witness.graphml [2019-10-22 10:13:47,910 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:47,912 INFO L168 Benchmark]: Toolchain (without parser) took 6558.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 169.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,912 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:47,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.62 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,913 INFO L168 Benchmark]: Boogie Preprocessor took 26.00 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,913 INFO L168 Benchmark]: RCFGBuilder took 751.55 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,913 INFO L168 Benchmark]: CodeCheck took 5155.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -47.1 MB). Peak memory consumption was 119.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,914 INFO L168 Benchmark]: Witness Printer took 77.03 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:47,916 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 8 procedures, 54 locations, 1 error locations. Result: SAFE, OverallTime: 4.9s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2073743244 SDtfs, -1386055868 SDslu, 784213684 SDs, 0 SdLazy, -170511940 SolverSat, 1363337052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8846 GetRequests, 8653 SyntacticMatches, 89 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4485 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 903 NumberOfCodeBlocks, 903 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 66256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 24 PerfectInterpolantSequences, 238/259 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: 633]: 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: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 == systemActive && pumpRunning == 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || pumpRunning == \old(pumpRunning)) || 1 == systemActive - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * 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 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 497.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.62 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.00 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: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 751.55 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: 69.5 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. * CodeCheck took 5155.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -47.1 MB). Peak memory consumption was 119.1 MB. Max. memory is 11.5 GB. * Witness Printer took 77.03 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...