./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.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_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:13:57,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:57,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:57,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:57,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:57,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:57,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:57,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:57,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:57,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:57,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:57,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:57,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:57,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:57,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:57,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:57,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:57,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:57,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:57,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:57,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:57,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:57,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:57,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:57,685 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:57,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:57,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:57,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:57,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:57,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:57,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:57,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:57,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:57,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:57,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:57,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:57,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:57,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:57,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:57,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:57,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:57,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:57,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:57,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:57,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:57,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:57,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:57,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:57,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:57,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:57,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:57,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:57,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:57,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:57,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:57,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:57,710 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:57,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:57,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:57,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:57,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:57,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:57,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:57,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:57,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:57,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:57,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:57,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:57,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:57,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:57,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:57,713 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_82d6e24e-be8a-457a-8d2c-adf46bfe8732/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2019-10-22 10:13:57,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:57,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:57,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:57,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:57,755 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:57,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-10-22 10:13:57,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/data/003f85dd2/e7563d0577624ff49233d8afaa0037d8/FLAGbcabbb962 [2019-10-22 10:13:58,246 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:58,247 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/sv-benchmarks/c/product-lines/minepump_spec4_product31.cil.c [2019-10-22 10:13:58,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/data/003f85dd2/e7563d0577624ff49233d8afaa0037d8/FLAGbcabbb962 [2019-10-22 10:13:58,273 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/data/003f85dd2/e7563d0577624ff49233d8afaa0037d8 [2019-10-22 10:13:58,275 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:58,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:58,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:58,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:58,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:58,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30031fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58, skipping insertion in model container [2019-10-22 10:13:58,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,292 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:58,341 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:58,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:58,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:58,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:58,822 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:58,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58 WrapperNode [2019-10-22 10:13:58,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:58,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:58,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:58,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:58,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:58,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:58,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:58,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:58,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... [2019-10-22 10:13:58,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:58,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:58,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:58,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:58,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/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 10:13:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:13:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:13:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:13:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:13:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:13:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:13:58,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:13:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:13:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:13:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:13:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-22 10:13:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-22 10:13:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:13:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:13:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:13:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:13:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:13:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:59,935 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:59,935 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:13:59,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:59 BoogieIcfgContainer [2019-10-22 10:13:59,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:59,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:59,937 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:59,948 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:59,949 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:59" (1/1) ... [2019-10-22 10:13:59,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:00,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-10-22 10:14:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-10-22 10:14:00,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:00,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,302 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 10:14:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 62 states and 82 transitions. [2019-10-22 10:14:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2019-10-22 10:14:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:14:00,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,382 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 10:14:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 64 states and 85 transitions. [2019-10-22 10:14:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2019-10-22 10:14:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:14:00,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2019-10-22 10:14:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2019-10-22 10:14:00,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:14:00,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,706 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 10:14:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 75 states and 107 transitions. [2019-10-22 10:14:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 107 transitions. [2019-10-22 10:14:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:00,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,770 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 10:14:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2019-10-22 10:14:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2019-10-22 10:14:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:00,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,837 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 10:14:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:00,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2019-10-22 10:14:00,854 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2019-10-22 10:14:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:00,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:00,930 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 10:14:01,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 93 states and 144 transitions. [2019-10-22 10:14:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 144 transitions. [2019-10-22 10:14:01,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:01,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,389 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 10:14:01,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 94 states and 145 transitions. [2019-10-22 10:14:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 145 transitions. [2019-10-22 10:14:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:01,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,429 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 10:14:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 95 states and 146 transitions. [2019-10-22 10:14:01,441 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 146 transitions. [2019-10-22 10:14:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:14:01,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,490 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 10:14:01,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 98 states and 154 transitions. [2019-10-22 10:14:01,635 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 154 transitions. [2019-10-22 10:14:01,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:01,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,740 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 10:14:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2019-10-22 10:14:02,456 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2019-10-22 10:14:02,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:14:02,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,496 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 10:14:02,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 113 states and 193 transitions. [2019-10-22 10:14:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 193 transitions. [2019-10-22 10:14:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 10:14:02,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,592 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 10:14:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 119 states and 210 transitions. [2019-10-22 10:14:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 210 transitions. [2019-10-22 10:14:02,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:02,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,835 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 10:14:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 211 transitions. [2019-10-22 10:14:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 211 transitions. [2019-10-22 10:14:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:14:02,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,995 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 10:14:03,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:03,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 216 transitions. [2019-10-22 10:14:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2019-10-22 10:14:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:14:03,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:03,243 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 10:14:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:03,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 121 states and 210 transitions. [2019-10-22 10:14:03,271 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2019-10-22 10:14:03,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:14:03,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:03,333 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 10:14:03,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 131 states and 235 transitions. [2019-10-22 10:14:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 235 transitions. [2019-10-22 10:14:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:14:03,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:03,772 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 10:14:04,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 137 states and 247 transitions. [2019-10-22 10:14:04,030 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2019-10-22 10:14:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:14:04,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,087 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 10:14:04,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 138 states and 248 transitions. [2019-10-22 10:14:04,118 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 248 transitions. [2019-10-22 10:14:04,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:14:04,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,161 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 10:14:04,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 139 states and 249 transitions. [2019-10-22 10:14:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2019-10-22 10:14:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:14:04,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,237 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 10:14:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 140 states and 250 transitions. [2019-10-22 10:14:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 250 transitions. [2019-10-22 10:14:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:14:04,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 151 states and 294 transitions. [2019-10-22 10:14:04,881 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2019-10-22 10:14:04,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 10:14:04,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:05,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 153 states and 297 transitions. [2019-10-22 10:14:05,160 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 297 transitions. [2019-10-22 10:14:05,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:05,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:05,192 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 10:14:05,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 154 states and 297 transitions. [2019-10-22 10:14:05,202 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 297 transitions. [2019-10-22 10:14:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:14:05,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:05,468 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 10:14:07,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 162 states and 326 transitions. [2019-10-22 10:14:07,275 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 326 transitions. [2019-10-22 10:14:07,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:14:07,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 163 states and 327 transitions. [2019-10-22 10:14:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 327 transitions. [2019-10-22 10:14:07,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:14:07,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 164 states and 328 transitions. [2019-10-22 10:14:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 328 transitions. [2019-10-22 10:14:07,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:14:07,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:14:07,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:07,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 165 states and 325 transitions. [2019-10-22 10:14:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2019-10-22 10:14:07,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:14:07,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:07,724 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 10:14:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 179 states and 365 transitions. [2019-10-22 10:14:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 365 transitions. [2019-10-22 10:14:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 10:14:08,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,689 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 10:14:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 180 states and 366 transitions. [2019-10-22 10:14:08,706 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 366 transitions. [2019-10-22 10:14:08,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:14:08,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:08,732 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 10:14:09,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:09,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 185 states and 377 transitions. [2019-10-22 10:14:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 377 transitions. [2019-10-22 10:14:09,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:14:09,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:09,629 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 10:14:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 186 states and 378 transitions. [2019-10-22 10:14:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 378 transitions. [2019-10-22 10:14:09,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:14:09,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:09,755 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 10:14:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 190 states and 390 transitions. [2019-10-22 10:14:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 390 transitions. [2019-10-22 10:14:10,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:14:10,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:10,741 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 10:14:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 194 states and 396 transitions. [2019-10-22 10:14:11,345 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 396 transitions. [2019-10-22 10:14:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 10:14:11,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 198 states and 404 transitions. [2019-10-22 10:14:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 404 transitions. [2019-10-22 10:14:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:14:11,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:14:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 200 states and 412 transitions. [2019-10-22 10:14:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 412 transitions. [2019-10-22 10:14:12,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:14:12,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:12,140 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 10:14:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 202 states and 412 transitions. [2019-10-22 10:14:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 412 transitions. [2019-10-22 10:14:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:14:12,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:12,841 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 10:14:12,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 203 states and 413 transitions. [2019-10-22 10:14:12,859 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 413 transitions. [2019-10-22 10:14:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:14:12,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 201 states and 409 transitions. [2019-10-22 10:14:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 409 transitions. [2019-10-22 10:14:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:14:12,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 198 states and 401 transitions. [2019-10-22 10:14:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 401 transitions. [2019-10-22 10:14:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:14:12,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:12,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:14:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 205 states and 413 transitions. [2019-10-22 10:14:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 413 transitions. [2019-10-22 10:14:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:14:13,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:13,518 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:14:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 209 states and 421 transitions. [2019-10-22 10:14:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 421 transitions. [2019-10-22 10:14:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:14:14,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,151 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:14:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 210 states and 423 transitions. [2019-10-22 10:14:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 423 transitions. [2019-10-22 10:14:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 10:14:14,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:14:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 211 states and 424 transitions. [2019-10-22 10:14:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 424 transitions. [2019-10-22 10:14:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-22 10:14:14,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,255 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 10:14:14,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 212 states and 425 transitions. [2019-10-22 10:14:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 425 transitions. [2019-10-22 10:14:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:14:14,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:14:14,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 197 states and 396 transitions. [2019-10-22 10:14:14,330 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 396 transitions. [2019-10-22 10:14:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:14:14,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,354 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-22 10:14:14,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:14,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 197 states and 393 transitions. [2019-10-22 10:14:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 393 transitions. [2019-10-22 10:14:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:14:14,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:14,556 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:15,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:15,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 195 states and 382 transitions. [2019-10-22 10:14:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 382 transitions. [2019-10-22 10:14:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-10-22 10:14:15,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 25 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-22 10:14:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 206 states and 421 transitions. [2019-10-22 10:14:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 421 transitions. [2019-10-22 10:14:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 10:14:16,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 10:14:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 123 states and 201 transitions. [2019-10-22 10:14:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2019-10-22 10:14:17,295 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:14:17,295 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2019-10-22 10:14:17,314 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:14:17,630 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,633 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,634 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,634 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:14:17,636 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,637 INFO L575 CodeCheckObserver]: Invariant with dag size 17 [2019-10-22 10:14:17,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,638 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,639 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:14:17,639 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:14:17,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:17 ImpRootNode [2019-10-22 10:14:17,639 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:17,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:17,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:17,640 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:17,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:59" (3/4) ... [2019-10-22 10:14:17,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:14:17,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:14:17,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:14:17,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:14:17,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:14:17,650 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:14:17,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:14:17,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-10-22 10:14:17,651 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-10-22 10:14:17,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2019-10-22 10:14:17,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2019-10-22 10:14:17,657 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:14:17,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:14:17,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:14:17,658 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:14:17,686 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || !(pumpRunning == 0)) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) [2019-10-22 10:14:17,687 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-10-22 10:14:17,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82d6e24e-be8a-457a-8d2c-adf46bfe8732/bin/ukojak/witness.graphml [2019-10-22 10:14:17,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:17,724 INFO L168 Benchmark]: Toolchain (without parser) took 19447.18 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 389.5 MB). Free memory was 946.1 MB in the beginning and 940.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 394.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:17,724 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:17,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 545.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:17,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.24 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. [2019-10-22 10:14:17,725 INFO L168 Benchmark]: Boogie Preprocessor took 31.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:17,725 INFO L168 Benchmark]: RCFGBuilder took 1026.80 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: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:17,725 INFO L168 Benchmark]: CodeCheck took 17702.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.0 GB in the beginning and 954.7 MB in the end (delta: 93.4 MB). Peak memory consumption was 334.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:17,726 INFO L168 Benchmark]: Witness Printer took 82.19 ms. Allocated memory is still 1.4 GB. Free memory was 954.7 MB in the beginning and 940.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:17,727 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 9 procedures, 62 locations, 1 error locations. Result: SAFE, OverallTime: 17.3s, OverallIterations: 51, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 393753008 SDtfs, 1153893986 SDslu, -536871952 SDs, 0 SdLazy, 1915256682 SolverSat, 189833996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22335 GetRequests, 21804 SyntacticMatches, 226 SemanticMatches, 305 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46347 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1889 NumberOfCodeBlocks, 1889 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 1839 ConstructedInterpolants, 0 QuantifiedInterpolants, 184673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 41 PerfectInterpolantSequences, 610/659 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: 952]: 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: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 717]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || !(pumpRunning == 0)) || ((1 == systemActive && pumpRunning == \old(pumpRunning)) && !(1 == waterLevel)) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: 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: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 545.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.24 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 31.60 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 1026.80 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: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. * CodeCheck took 17702.66 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.0 GB in the beginning and 954.7 MB in the end (delta: 93.4 MB). Peak memory consumption was 334.5 MB. Max. memory is 11.5 GB. * Witness Printer took 82.19 ms. Allocated memory is still 1.4 GB. Free memory was 954.7 MB in the beginning and 940.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...