./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/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 afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:48:16,624 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:48:16,625 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:48:16,632 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:48:16,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:48:16,633 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:48:16,634 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:48:16,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:48:16,636 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:48:16,637 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:48:16,638 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:48:16,638 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:48:16,639 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:48:16,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:48:16,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:48:16,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:48:16,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:48:16,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:48:16,644 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:48:16,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:48:16,646 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:48:16,647 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:48:16,649 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:48:16,649 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:48:16,650 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:48:16,650 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:48:16,651 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:48:16,651 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:48:16,652 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:48:16,652 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:48:16,653 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:48:16,653 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:48:16,653 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:48:16,654 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:48:16,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:48:16,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:48:16,655 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:48:16,663 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:48:16,663 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:48:16,664 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:48:16,664 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:48:16,664 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:48:16,664 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:48:16,665 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:48:16,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:48:16,666 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:48:16,666 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:48:16,666 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:48:16,666 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:48:16,666 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:48:16,666 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:48:16,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:48:16,667 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:48:16,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:48:16,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:48:16,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:48:16,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:48:16,667 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:48:16,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:48:16,668 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:48:16,668 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_2725547f-f5d7-4bf5-a75a-d438b95801e3/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 -> afe8b3bf03d083ac2d9d1286cdd6625d4aa7e568 [2018-11-18 09:48:16,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:48:16,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:48:16,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:48:16,707 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:48:16,707 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:48:16,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2018-11-18 09:48:16,763 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/data/0776ce176/0f86b4c8ae404c148063e32fee956e85/FLAG98875c731 [2018-11-18 09:48:17,207 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:48:17,207 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/sv-benchmarks/c/product-lines/minepump_spec4_product25_true-unreach-call_false-termination.cil.c [2018-11-18 09:48:17,218 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/data/0776ce176/0f86b4c8ae404c148063e32fee956e85/FLAG98875c731 [2018-11-18 09:48:17,229 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/data/0776ce176/0f86b4c8ae404c148063e32fee956e85 [2018-11-18 09:48:17,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:48:17,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:48:17,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:48:17,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:48:17,236 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:48:17,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17, skipping insertion in model container [2018-11-18 09:48:17,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:48:17,276 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:48:17,476 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:48:17,484 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:48:17,590 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:48:17,607 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:48:17,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17 WrapperNode [2018-11-18 09:48:17,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:48:17,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:48:17,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:48:17,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:48:17,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:48:17,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:48:17,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:48:17,650 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:48:17,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... [2018-11-18 09:48:17,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:48:17,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:48:17,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:48:17,673 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:48:17,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:48:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/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 [2018-11-18 09:48:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:48:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:48:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:48:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:48:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:48:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:48:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:48:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:48:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:48:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:48:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:48:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:48:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:48:18,489 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:48:18,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:48:18 BoogieIcfgContainer [2018-11-18 09:48:18,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:48:18,490 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:48:18,490 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:48:18,498 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:48:18,498 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:48:18" (1/1) ... [2018-11-18 09:48:18,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:48:18,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2018-11-18 09:48:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2018-11-18 09:48:18,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 09:48:18,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:18,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2018-11-18 09:48:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2018-11-18 09:48:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 09:48:18,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:18,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-11-18 09:48:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-11-18 09:48:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:48:18,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2018-11-18 09:48:19,055 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2018-11-18 09:48:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:48:19,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2018-11-18 09:48:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2018-11-18 09:48:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:48:19,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2018-11-18 09:48:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2018-11-18 09:48:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:48:19,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2018-11-18 09:48:19,371 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2018-11-18 09:48:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:48:19,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2018-11-18 09:48:19,833 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2018-11-18 09:48:19,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:48:19,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2018-11-18 09:48:19,873 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2018-11-18 09:48:19,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:48:19,874 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:19,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-11-18 09:48:19,917 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-11-18 09:48:19,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:48:19,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:19,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 146 transitions. [2018-11-18 09:48:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2018-11-18 09:48:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 09:48:20,066 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:20,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 100 states and 159 transitions. [2018-11-18 09:48:20,304 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 159 transitions. [2018-11-18 09:48:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:48:20,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 101 states and 162 transitions. [2018-11-18 09:48:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 162 transitions. [2018-11-18 09:48:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:48:20,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:20,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:20,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 103 states and 165 transitions. [2018-11-18 09:48:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2018-11-18 09:48:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:48:20,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:20,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 104 states and 168 transitions. [2018-11-18 09:48:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-11-18 09:48:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 09:48:20,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 106 states and 170 transitions. [2018-11-18 09:48:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 170 transitions. [2018-11-18 09:48:20,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 09:48:20,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:21,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 121 states and 198 transitions. [2018-11-18 09:48:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 198 transitions. [2018-11-18 09:48:21,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 09:48:21,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:21,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 122 states and 199 transitions. [2018-11-18 09:48:21,253 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 199 transitions. [2018-11-18 09:48:21,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 09:48:21,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:48:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 200 transitions. [2018-11-18 09:48:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 200 transitions. [2018-11-18 09:48:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 09:48:21,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:48:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:22,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 140 states and 245 transitions. [2018-11-18 09:48:22,188 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 245 transitions. [2018-11-18 09:48:22,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:48:22,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:48:22,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 140 states and 244 transitions. [2018-11-18 09:48:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 244 transitions. [2018-11-18 09:48:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:48:22,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 09:48:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 141 states and 245 transitions. [2018-11-18 09:48:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2018-11-18 09:48:22,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 09:48:22,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:48:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 142 states and 246 transitions. [2018-11-18 09:48:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 246 transitions. [2018-11-18 09:48:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:48:22,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:48:23,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:23,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 151 states and 269 transitions. [2018-11-18 09:48:23,868 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 269 transitions. [2018-11-18 09:48:23,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 09:48:23,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:48:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:25,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 159 states and 293 transitions. [2018-11-18 09:48:25,305 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2018-11-18 09:48:25,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:48:25,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 09:48:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 160 states and 294 transitions. [2018-11-18 09:48:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 294 transitions. [2018-11-18 09:48:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:48:25,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:48:25,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 150 states and 273 transitions. [2018-11-18 09:48:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 273 transitions. [2018-11-18 09:48:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:48:25,407 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:48:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:25,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 154 states and 280 transitions. [2018-11-18 09:48:25,611 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 280 transitions. [2018-11-18 09:48:25,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 09:48:25,612 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:48:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 155 states and 281 transitions. [2018-11-18 09:48:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2018-11-18 09:48:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-18 09:48:25,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 09:48:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 150 states and 269 transitions. [2018-11-18 09:48:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2018-11-18 09:48:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 09:48:25,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 09:48:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 140 states and 251 transitions. [2018-11-18 09:48:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 251 transitions. [2018-11-18 09:48:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 09:48:26,023 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:48:26,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 141 states and 250 transitions. [2018-11-18 09:48:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 250 transitions. [2018-11-18 09:48:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:48:26,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:48:27,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 146 states and 256 transitions. [2018-11-18 09:48:27,190 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 256 transitions. [2018-11-18 09:48:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:48:27,191 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:27,212 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:48:27,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 145 states and 248 transitions. [2018-11-18 09:48:27,571 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 248 transitions. [2018-11-18 09:48:27,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:48:27,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:48:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:48:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 09:48:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:48:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 76 states and 112 transitions. [2018-11-18 09:48:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2018-11-18 09:48:27,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:48:27,793 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-11-18 09:48:27,801 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:48:28,050 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,052 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,056 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-18 09:48:28,057 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,057 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,058 INFO L579 CodeCheckObserver]: Invariant with dag size 19 [2018-11-18 09:48:28,058 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,059 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:48:28,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:48:28 ImpRootNode [2018-11-18 09:48:28,059 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:48:28,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:48:28,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:48:28,060 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:48:28,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:48:18" (3/4) ... [2018-11-18 09:48:28,063 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:48:28,067 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:48:28,067 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:48:28,068 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:48:28,068 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:48:28,068 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:48:28,073 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 09:48:28,073 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:48:28,073 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 09:48:28,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && systemActive == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive [2018-11-18 09:48:28,097 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == waterLevel && 0 == \old(pumpRunning)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-18 09:48:28,128 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2725547f-f5d7-4bf5-a75a-d438b95801e3/bin-2019/ukojak/witness.graphml [2018-11-18 09:48:28,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:48:28,129 INFO L168 Benchmark]: Toolchain (without parser) took 10896.81 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.9 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -104.9 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:28,130 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:48:28,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:28,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.16 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. [2018-11-18 09:48:28,130 INFO L168 Benchmark]: Boogie Preprocessor took 23.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:28,131 INFO L168 Benchmark]: RCFGBuilder took 816.91 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: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:28,131 INFO L168 Benchmark]: CodeCheck took 9568.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.0 MB). Peak memory consumption was 116.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:28,131 INFO L168 Benchmark]: Witness Printer took 69.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:48:28,133 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 6 procedures, 71 locations, 1 error locations. SAFE Result, 9.2s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1080854256 SDtfs, -1889915982 SDslu, -1738516176 SDs, 0 SdLazy, -474269522 SolverSat, 1886146432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13023 GetRequests, 12659 SyntacticMatches, 142 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22890 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1270 ConstructedInterpolants, 0 QuantifiedInterpolants, 136531 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 25 PerfectInterpolantSequences, 528/571 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: 44]: 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: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (0 == pumpRunning && systemActive == 1) && systemActive == waterLevel - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 828]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((0 == waterLevel && 0 == \old(pumpRunning)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && systemActive == waterLevel)) || (!(systemActive == 1) && pumpRunning == \old(pumpRunning))) || 0 == systemActive - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -155.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.16 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. * Boogie Preprocessor took 23.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 816.91 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: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. * CodeCheck took 9568.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 154.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.0 MB). Peak memory consumption was 116.6 MB. Max. memory is 11.5 GB. * Witness Printer took 69.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...