./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.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_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/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 f0335c6392c59c467837b14da92286fa43b99dfc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:11:23,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:11:23,422 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:11:23,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:11:23,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:11:23,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:11:23,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:11:23,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:11:23,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:11:23,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:11:23,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:11:23,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:11:23,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:11:23,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:11:23,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:11:23,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:11:23,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:11:23,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:11:23,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:11:23,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:11:23,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:11:23,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:11:23,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:11:23,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:11:23,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:11:23,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:11:23,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:11:23,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:11:23,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:11:23,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:11:23,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:11:23,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:11:23,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:11:23,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:11:23,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:11:23,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:11:23,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:11:23,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:11:23,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:11:23,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:11:23,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:11:23,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:11:23,481 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:11:23,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:11:23,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:11:23,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:11:23,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:11:23,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:11:23,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:11:23,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:11:23,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:11:23,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:11:23,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:11:23,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:11:23,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:11:23,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:11:23,485 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:11:23,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:11:23,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:11:23,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:11:23,485 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:11:23,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:11:23,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:11:23,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:11:23,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:11:23,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:11:23,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:11:23,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:11:23,487 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:11:23,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:11:23,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:11:23,487 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_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-10-22 10:11:23,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:11:23,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:11:23,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:11:23,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:11:23,525 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:11:23,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-10-22 10:11:23,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/data/6c66b6daf/d03388f6a4714143b21b388b563ce2ea/FLAGeade136d2 [2019-10-22 10:11:24,007 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:11:24,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-10-22 10:11:24,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/data/6c66b6daf/d03388f6a4714143b21b388b563ce2ea/FLAGeade136d2 [2019-10-22 10:11:24,373 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/data/6c66b6daf/d03388f6a4714143b21b388b563ce2ea [2019-10-22 10:11:24,376 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:11:24,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:11:24,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:24,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:11:24,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:11:24,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,384 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350c055c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24, skipping insertion in model container [2019-10-22 10:11:24,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,390 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:11:24,431 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:11:24,757 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:24,779 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:11:24,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:11:24,891 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:11:24,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24 WrapperNode [2019-10-22 10:11:24,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:11:24,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:24,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:11:24,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:11:24,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:11:24,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:11:24,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:11:24,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:11:24,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... [2019-10-22 10:11:24,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:11:24,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:11:24,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:11:24,983 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:11:24,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:11:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/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 10:11:25,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:11:25,042 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:11:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:11:25,042 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:11:25,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:11:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:11:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:11:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:11:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:11:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-22 10:11:25,043 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-22 10:11:25,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:11:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:11:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:11:25,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:11:25,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:11:25,811 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:11:25,812 INFO L284 CfgBuilder]: Removed 38 assume(true) statements. [2019-10-22 10:11:25,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:25 BoogieIcfgContainer [2019-10-22 10:11:25,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:11:25,813 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:11:25,813 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:11:25,823 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:11:25,823 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:25" (1/1) ... [2019-10-22 10:11:25,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:11:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 50 states and 68 transitions. [2019-10-22 10:11:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2019-10-22 10:11:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:11:25,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,054 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 10:11:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2019-10-22 10:11:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2019-10-22 10:11:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:11:26,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,200 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 10:11:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2019-10-22 10:11:26,218 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2019-10-22 10:11:26,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:11:26,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,301 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 10:11:26,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2019-10-22 10:11:26,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2019-10-22 10:11:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:11:26,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,462 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 10:11:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2019-10-22 10:11:26,652 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2019-10-22 10:11:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:11:26,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,685 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 10:11:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2019-10-22 10:11:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2019-10-22 10:11:26,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:11:26,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,724 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 10:11:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2019-10-22 10:11:26,733 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2019-10-22 10:11:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:11:26,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:26,852 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 10:11:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2019-10-22 10:11:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2019-10-22 10:11:27,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:11:27,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:27,577 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 10:11:28,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2019-10-22 10:11:28,071 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2019-10-22 10:11:28,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:11:28,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:11:28,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2019-10-22 10:11:28,357 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2019-10-22 10:11:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:11:28,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,386 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 10:11:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 99 states and 165 transitions. [2019-10-22 10:11:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 165 transitions. [2019-10-22 10:11:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:11:28,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,564 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 10:11:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 166 transitions. [2019-10-22 10:11:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 166 transitions. [2019-10-22 10:11:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 10:11:28,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,647 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 10:11:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:28,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 183 transitions. [2019-10-22 10:11:28,882 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2019-10-22 10:11:28,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:11:28,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:28,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:28,912 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 10:11:29,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 108 states and 186 transitions. [2019-10-22 10:11:29,036 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 186 transitions. [2019-10-22 10:11:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:11:29,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,060 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 10:11:29,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 109 states and 189 transitions. [2019-10-22 10:11:29,079 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 189 transitions. [2019-10-22 10:11:29,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:11:29,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,105 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 10:11:29,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 192 transitions. [2019-10-22 10:11:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 192 transitions. [2019-10-22 10:11:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:11:29,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,159 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 10:11:29,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 113 states and 198 transitions. [2019-10-22 10:11:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 198 transitions. [2019-10-22 10:11:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 10:11:29,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,414 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 10:11:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 201 transitions. [2019-10-22 10:11:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 201 transitions. [2019-10-22 10:11:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:11:29,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,611 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 10:11:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 118 states and 205 transitions. [2019-10-22 10:11:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 205 transitions. [2019-10-22 10:11:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:11:29,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-22 10:11:29,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 120 states and 206 transitions. [2019-10-22 10:11:29,817 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 206 transitions. [2019-10-22 10:11:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:11:29,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:29,933 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 10:11:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 132 states and 246 transitions. [2019-10-22 10:11:30,636 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 246 transitions. [2019-10-22 10:11:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 10:11:30,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:30,662 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 10:11:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 253 transitions. [2019-10-22 10:11:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 253 transitions. [2019-10-22 10:11:31,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:11:31,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:31,454 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 10:11:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 145 states and 276 transitions. [2019-10-22 10:11:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 276 transitions. [2019-10-22 10:11:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:11:33,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,461 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 10:11:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 146 states and 277 transitions. [2019-10-22 10:11:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 277 transitions. [2019-10-22 10:11:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 10:11:33,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,507 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 10:11:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 147 states and 278 transitions. [2019-10-22 10:11:33,523 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 278 transitions. [2019-10-22 10:11:33,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-10-22 10:11:33,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,551 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 10:11:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 148 states and 275 transitions. [2019-10-22 10:11:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 275 transitions. [2019-10-22 10:11:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:11:33,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:11:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 151 states and 275 transitions. [2019-10-22 10:11:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 275 transitions. [2019-10-22 10:11:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-10-22 10:11:34,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:34,427 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:11:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 153 states and 277 transitions. [2019-10-22 10:11:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 277 transitions. [2019-10-22 10:11:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-22 10:11:34,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 10:11:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 124 states and 211 transitions. [2019-10-22 10:11:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 211 transitions. [2019-10-22 10:11:34,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 10:11:34,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,001 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 10:11:35,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 129 states and 218 transitions. [2019-10-22 10:11:35,044 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 218 transitions. [2019-10-22 10:11:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:11:35,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-22 10:11:35,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 118 states and 195 transitions. [2019-10-22 10:11:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-10-22 10:11:35,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:11:35,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,109 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 10:11:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 116 states and 191 transitions. [2019-10-22 10:11:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-10-22 10:11:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-22 10:11:35,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:11:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:11:35,154 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 10:11:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:11:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 70 states and 105 transitions. [2019-10-22 10:11:35,175 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2019-10-22 10:11:35,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:11:35,176 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2019-10-22 10:11:35,184 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:11:35,350 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,353 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,353 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,353 INFO L575 CodeCheckObserver]: Invariant with dag size 7 [2019-10-22 10:11:35,356 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,356 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,356 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,356 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,356 INFO L575 CodeCheckObserver]: Invariant with dag size 11 [2019-10-22 10:11:35,357 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,357 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,357 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:11:35,357 INFO L575 CodeCheckObserver]: Invariant with dag size 15 [2019-10-22 10:11:35,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:11:35 ImpRootNode [2019-10-22 10:11:35,360 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:11:35,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:11:35,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:11:35,361 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:11:35,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:11:25" (3/4) ... [2019-10-22 10:11:35,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:11:35,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-10-22 10:11:35,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-10-22 10:11:35,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-10-22 10:11:35,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-10-22 10:11:35,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-10-22 10:11:35,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-10-22 10:11:35,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-10-22 10:11:35,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 10:11:35,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 10:11:35,376 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:11:35,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:11:35,377 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:11:35,399 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) [2019-10-22 10:11:35,399 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-10-22 10:11:35,433 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2ffe1614-f6f2-4353-aa04-2f17ce8cc786/bin/ukojak/witness.graphml [2019-10-22 10:11:35,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:11:35,435 INFO L168 Benchmark]: Toolchain (without parser) took 11057.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 394.3 MB). Free memory was 943.2 MB in the beginning and 1.2 GB in the end (delta: -240.5 MB). Peak memory consumption was 153.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:35,435 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:11:35,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:35,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.31 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:35,436 INFO L168 Benchmark]: Boogie Preprocessor took 39.99 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 10:11:35,436 INFO L168 Benchmark]: RCFGBuilder took 830.49 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:35,436 INFO L168 Benchmark]: CodeCheck took 9546.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 270.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.0 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:35,437 INFO L168 Benchmark]: Witness Printer took 72.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:11:35,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 50 locations, 1 error locations. Result: SAFE, OverallTime: 9.3s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2077814092 SDtfs, -1070509220 SDslu, -1733147636 SDs, 0 SdLazy, 992456668 SolverSat, 556352812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10166 GetRequests, 9850 SyntacticMatches, 132 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14095 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 993 NumberOfCodeBlocks, 993 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 73228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 24 PerfectInterpolantSequences, 254/284 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: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((tmp == systemActive && 1 == waterLevel) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 514.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 937.8 MB in the beginning and 1.1 GB in the end (delta: -167.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.31 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.99 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 830.49 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: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. * CodeCheck took 9546.98 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 270.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.0 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. * Witness Printer took 72.53 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...