./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/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 84bee68029cd4e9781f81f2ec079192bad30236f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:20:51,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:20:51,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:20:51,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:20:51,515 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:20:51,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:20:51,518 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:20:51,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:20:51,522 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:20:51,523 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:20:51,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:20:51,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:20:51,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:20:51,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:20:51,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:20:51,528 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:20:51,529 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:20:51,531 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:20:51,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:20:51,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:20:51,536 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:20:51,537 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:20:51,539 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:20:51,539 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:20:51,540 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:20:51,541 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:20:51,542 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:20:51,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:20:51,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:20:51,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:20:51,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:20:51,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:20:51,547 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:20:51,547 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:20:51,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:20:51,548 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:20:51,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:20:51,562 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:20:51,562 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:20:51,563 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:20:51,563 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:20:51,564 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:20:51,564 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:20:51,564 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:20:51,564 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:20:51,564 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:20:51,565 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:20:51,565 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:20:51,565 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:20:51,565 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:20:51,565 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:20:51,565 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:20:51,566 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:20:51,566 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:20:51,566 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:20:51,566 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:20:51,566 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:20:51,566 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:20:51,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:20:51,567 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:20:51,567 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:20:51,567 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:20:51,567 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:20:51,567 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:20:51,567 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:20:51,568 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-10-26 21:20:51,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:20:51,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:20:51,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:20:51,614 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:20:51,615 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:20:51,615 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-10-26 21:20:51,670 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/data/f3d9392ef/6128ef902de8443784b22b10352b3532/FLAG8117c86eb [2018-10-26 21:20:52,116 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:20:52,117 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-10-26 21:20:52,129 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/data/f3d9392ef/6128ef902de8443784b22b10352b3532/FLAG8117c86eb [2018-10-26 21:20:52,145 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/data/f3d9392ef/6128ef902de8443784b22b10352b3532 [2018-10-26 21:20:52,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:20:52,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:20:52,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:20:52,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:20:52,155 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:20:52,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e4eb0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52, skipping insertion in model container [2018-10-26 21:20:52,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:20:52,217 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:20:52,487 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:20:52,498 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:20:52,573 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:20:52,608 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:20:52,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52 WrapperNode [2018-10-26 21:20:52,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:20:52,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:20:52,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:20:52,610 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:20:52,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:20:52,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:20:52,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:20:52,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:20:52,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... [2018-10-26 21:20:52,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:20:52,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:20:52,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:20:52,788 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:20:52,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:20:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/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 [2018-10-26 21:20:52,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:20:52,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 21:20:52,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 21:20:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 21:20:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 21:20:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 21:20:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 21:20:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 21:20:52,862 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 21:20:52,862 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 21:20:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 21:20:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 21:20:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 21:20:52,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:20:52,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:20:55,119 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:20:55,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:55 BoogieIcfgContainer [2018-10-26 21:20:55,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:20:55,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:20:55,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:20:55,136 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:20:55,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:55" (1/1) ... [2018-10-26 21:20:55,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:20:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-10-26 21:20:55,199 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-10-26 21:20:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 21:20:55,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-10-26 21:20:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-10-26 21:20:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 21:20:55,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-10-26 21:20:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-10-26 21:20:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:20:55,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-10-26 21:20:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-10-26 21:20:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 21:20:56,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:56,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:56,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-10-26 21:20:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-10-26 21:20:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:20:56,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:57,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-10-26 21:20:57,041 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-10-26 21:20:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:20:57,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:57,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-10-26 21:20:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-10-26 21:20:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:20:57,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:57,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-10-26 21:20:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-10-26 21:20:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 21:20:57,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:58,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:59,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:59,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 104 states and 169 transitions. [2018-10-26 21:20:59,155 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2018-10-26 21:20:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 21:20:59,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 106 states and 170 transitions. [2018-10-26 21:20:59,310 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-10-26 21:20:59,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 21:20:59,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2018-10-26 21:20:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2018-10-26 21:20:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:20:59,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:20:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:20:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:20:59,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:20:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 182 transitions. [2018-10-26 21:20:59,986 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 182 transitions. [2018-10-26 21:20:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:20:59,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2018-10-26 21:21:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-10-26 21:21:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 21:21:00,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 209 transitions. [2018-10-26 21:21:01,357 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2018-10-26 21:21:01,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 21:21:01,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:01,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2018-10-26 21:21:01,651 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-10-26 21:21:01,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:21:01,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 213 transitions. [2018-10-26 21:21:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2018-10-26 21:21:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:21:01,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:02,247 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:21:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 130 states and 220 transitions. [2018-10-26 21:21:02,632 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 220 transitions. [2018-10-26 21:21:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:21:02,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 221 transitions. [2018-10-26 21:21:02,953 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2018-10-26 21:21:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:21:02,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:03,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 222 transitions. [2018-10-26 21:21:03,107 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2018-10-26 21:21:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:21:03,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:03,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 144 states and 261 transitions. [2018-10-26 21:21:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 261 transitions. [2018-10-26 21:21:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:21:03,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:03,980 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:04,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 264 transitions. [2018-10-26 21:21:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 264 transitions. [2018-10-26 21:21:04,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:21:04,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 150 states and 266 transitions. [2018-10-26 21:21:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2018-10-26 21:21:04,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 21:21:04,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:06,058 WARN L179 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:21:08,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 159 states and 290 transitions. [2018-10-26 21:21:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 290 transitions. [2018-10-26 21:21:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 21:21:08,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 21:21:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 290 transitions. [2018-10-26 21:21:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 290 transitions. [2018-10-26 21:21:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:21:08,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 161 states and 291 transitions. [2018-10-26 21:21:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 291 transitions. [2018-10-26 21:21:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:21:08,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:08,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 292 transitions. [2018-10-26 21:21:08,562 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2018-10-26 21:21:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 21:21:08,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:09,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 289 transitions. [2018-10-26 21:21:09,409 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2018-10-26 21:21:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 21:21:09,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 294 transitions. [2018-10-26 21:21:10,583 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2018-10-26 21:21:10,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:21:10,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:10,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 167 states and 293 transitions. [2018-10-26 21:21:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2018-10-26 21:21:11,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:21:11,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:11,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 135 states and 226 transitions. [2018-10-26 21:21:11,864 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2018-10-26 21:21:11,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:21:11,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:11,891 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:21:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 139 states and 233 transitions. [2018-10-26 21:21:12,000 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2018-10-26 21:21:12,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:21:12,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:21:12,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 140 states and 233 transitions. [2018-10-26 21:21:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2018-10-26 21:21:12,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:21:12,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:21:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 138 states and 229 transitions. [2018-10-26 21:21:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2018-10-26 21:21:12,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:21:12,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:12,560 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:21:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 135 states and 223 transitions. [2018-10-26 21:21:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 223 transitions. [2018-10-26 21:21:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:21:12,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:21:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 141 states and 235 transitions. [2018-10-26 21:21:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 235 transitions. [2018-10-26 21:21:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 21:21:14,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 21:21:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:14,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 79 states and 115 transitions. [2018-10-26 21:21:14,361 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2018-10-26 21:21:14,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:21:14,361 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-10-26 21:21:14,384 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:21:14,629 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,634 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,634 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,635 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,635 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,635 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,635 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 21:21:14,642 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,642 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,642 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,642 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,642 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,643 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,643 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 21:21:14,644 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:21:14,644 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-10-26 21:21:14,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:21:14 ImpRootNode [2018-10-26 21:21:14,645 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:21:14,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:21:14,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:21:14,648 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:21:14,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:20:55" (3/4) ... [2018-10-26 21:21:14,653 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:21:14,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 21:21:14,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 21:21:14,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 21:21:14,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 21:21:14,660 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 21:21:14,661 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 21:21:14,669 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-10-26 21:21:14,670 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 21:21:14,670 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 21:21:14,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) [2018-10-26 21:21:14,705 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || ((1 == waterLevel && \old(waterLevel) == waterLevel) && \old(pumpRunning) == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) [2018-10-26 21:21:14,755 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_019882c5-1e45-4383-b9ee-1e1de884879c/bin-2019/ukojak/witness.graphml [2018-10-26 21:21:14,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:21:14,756 INFO L168 Benchmark]: Toolchain (without parser) took 22607.59 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 955.8 MB in the beginning and 1.0 GB in the end (delta: -54.8 MB). Peak memory consumption was 204.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,757 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:21:14,757 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,759 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -216.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,759 INFO L168 Benchmark]: Boogie Preprocessor took 42.52 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,759 INFO L168 Benchmark]: RCFGBuilder took 2331.96 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: 93.7 MB). Peak memory consumption was 93.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,760 INFO L168 Benchmark]: CodeCheck took 19524.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.5 MB). Peak memory consumption was 140.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,760 INFO L168 Benchmark]: Witness Printer took 108.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:21:14,762 INFO L336 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, 115 locations, 1 error locations. SAFE Result, 19.1s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -950454472 SDtfs, 238759736 SDslu, 1784535112 SDs, 0 SdLazy, -1853399504 SolverSat, -552711088 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11688 GetRequests, 11307 SyntacticMatches, 173 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20473 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1179 NumberOfCodeBlocks, 1179 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 99502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 344/375 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 148]: 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: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || ((1 == waterLevel && \old(waterLevel) == waterLevel) && \old(pumpRunning) == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel * 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 931.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 135.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 931.6 MB in the beginning and 1.1 GB in the end (delta: -216.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.52 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2331.96 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: 93.7 MB). Peak memory consumption was 93.7 MB. Max. memory is 11.5 GB. * CodeCheck took 19524.91 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.5 MB). Peak memory consumption was 140.9 MB. Max. memory is 11.5 GB. * Witness Printer took 108.01 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...