./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_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_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:53:41,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:53:41,555 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:53:41,566 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:53:41,566 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:53:41,567 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:53:41,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:53:41,570 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:53:41,571 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:53:41,572 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:53:41,573 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:53:41,573 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:53:41,574 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:53:41,574 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:53:41,576 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:53:41,577 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:53:41,577 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:53:41,579 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:53:41,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:53:41,582 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:53:41,583 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:53:41,584 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:53:41,586 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:53:41,586 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:53:41,586 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:53:41,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:53:41,589 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:53:41,590 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:53:41,590 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:53:41,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:53:41,592 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:53:41,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:53:41,593 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:53:41,593 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:53:41,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:53:41,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:53:41,594 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:53:41,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:53:41,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:53:41,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:53:41,607 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:53:41,607 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:53:41,608 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:53:41,608 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:53:41,608 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:53:41,608 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:53:41,608 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:53:41,608 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:53:41,608 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:53:41,609 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:53:41,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:53:41,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:53:41,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:53:41,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:53:41,609 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:53:41,609 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:53:41,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:53:41,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:53:41,610 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:53:41,610 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:53:41,610 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:53:41,610 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:53:41,610 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:53:41,611 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:53:41,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:53:41,613 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_5f65af88-bc4e-400b-993e-535553f90ec4/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2018-10-26 21:53:41,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:53:41,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:53:41,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:53:41,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:53:41,662 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:53:41,664 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-10-26 21:53:41,724 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/data/3c7e536d4/059f8b30576146e694ac6ed4518ab77e/FLAG3a36616b6 [2018-10-26 21:53:42,120 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:53:42,120 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-10-26 21:53:42,131 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/data/3c7e536d4/059f8b30576146e694ac6ed4518ab77e/FLAG3a36616b6 [2018-10-26 21:53:42,146 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/data/3c7e536d4/059f8b30576146e694ac6ed4518ab77e [2018-10-26 21:53:42,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:53:42,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:53:42,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:53:42,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:53:42,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:53:42,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66838753 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42, skipping insertion in model container [2018-10-26 21:53:42,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:53:42,212 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:53:42,475 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:53:42,484 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:53:42,571 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:53:42,603 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:53:42,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42 WrapperNode [2018-10-26 21:53:42,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:53:42,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:53:42,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:53:42,605 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:53:42,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:53:42,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:53:42,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:53:42,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:53:42,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... [2018-10-26 21:53:42,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:53:42,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:53:42,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:53:42,760 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:53:42,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/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 21:53:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 21:53:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 21:53:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 21:53:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 21:53:42,853 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 21:53:42,853 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 21:53:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 21:53:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 21:53:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 21:53:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 21:53:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 21:53:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 21:53:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 21:53:42,854 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 21:53:42,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 21:53:42,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:53:42,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:53:45,078 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:53:45,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:45 BoogieIcfgContainer [2018-10-26 21:53:45,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:53:45,079 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:53:45,079 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:53:45,091 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:53:45,091 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:45" (1/1) ... [2018-10-26 21:53:45,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:53:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:45,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 58 states and 78 transitions. [2018-10-26 21:53:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions. [2018-10-26 21:53:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 21:53:45,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:45,424 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 21:53:45,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2018-10-26 21:53:45,447 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2018-10-26 21:53:45,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 21:53:45,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:45,605 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 21:53:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2018-10-26 21:53:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2018-10-26 21:53:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:53:45,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:45,883 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 21:53:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 72 states and 100 transitions. [2018-10-26 21:53:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2018-10-26 21:53:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 21:53:46,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:46,450 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 21:53:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:46,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-10-26 21:53:46,458 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-10-26 21:53:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:53:46,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:46,504 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 21:53:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:46,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 74 states and 102 transitions. [2018-10-26 21:53:46,559 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2018-10-26 21:53:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:53:46,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:46,629 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 21:53:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-10-26 21:53:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-10-26 21:53:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 21:53:46,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:46,792 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 21:53:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 92 states and 136 transitions. [2018-10-26 21:53:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 136 transitions. [2018-10-26 21:53:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 21:53:47,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:47,695 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 21:53:48,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 108 states and 172 transitions. [2018-10-26 21:53:48,546 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2018-10-26 21:53:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 21:53:48,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:48,581 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 21:53:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2018-10-26 21:53:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-10-26 21:53:48,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:53:48,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:48,916 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 21:53:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 114 states and 184 transitions. [2018-10-26 21:53:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 184 transitions. [2018-10-26 21:53:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:53:48,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:49,056 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 21:53:49,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 115 states and 185 transitions. [2018-10-26 21:53:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2018-10-26 21:53:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 21:53:49,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:49,119 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 21:53:49,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 117 states and 186 transitions. [2018-10-26 21:53:49,254 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 186 transitions. [2018-10-26 21:53:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 21:53:49,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:49,348 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 21:53:50,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 128 states and 212 transitions. [2018-10-26 21:53:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2018-10-26 21:53:50,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 21:53:50,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:50,086 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 21:53:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 129 states and 213 transitions. [2018-10-26 21:53:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 213 transitions. [2018-10-26 21:53:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:53:50,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:50,379 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 21:53:50,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:50,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 130 states and 216 transitions. [2018-10-26 21:53:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2018-10-26 21:53:50,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:53:50,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:50,624 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 21:53:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:50,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 219 transitions. [2018-10-26 21:53:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 219 transitions. [2018-10-26 21:53:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:53:50,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:50,869 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 21:53:51,321 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:53:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 135 states and 224 transitions. [2018-10-26 21:53:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 224 transitions. [2018-10-26 21:53:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:53:51,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:51,805 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 21:53:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 136 states and 225 transitions. [2018-10-26 21:53:52,068 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 225 transitions. [2018-10-26 21:53:52,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:53:52,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:52,375 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 21:53:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 148 states and 263 transitions. [2018-10-26 21:53:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 263 transitions. [2018-10-26 21:53:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:53:53,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:53,135 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 21:53:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 151 states and 266 transitions. [2018-10-26 21:53:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 266 transitions. [2018-10-26 21:53:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:53:53,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:53,429 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 21:53:53,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:53,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 154 states and 268 transitions. [2018-10-26 21:53:53,605 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 268 transitions. [2018-10-26 21:53:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 21:53:53,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:53,636 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 21:53:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:53,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 155 states and 268 transitions. [2018-10-26 21:53:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 268 transitions. [2018-10-26 21:53:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 21:53:53,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:54,277 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 21:53:56,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 164 states and 289 transitions. [2018-10-26 21:53:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 289 transitions. [2018-10-26 21:53:56,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:53:56,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:56,380 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 21:53:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 165 states and 290 transitions. [2018-10-26 21:53:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 290 transitions. [2018-10-26 21:53:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 21:53:56,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:56,489 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 21:53:56,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 166 states and 291 transitions. [2018-10-26 21:53:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2018-10-26 21:53:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 21:53:56,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:56,581 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 21:53:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 167 states and 288 transitions. [2018-10-26 21:53:56,801 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 288 transitions. [2018-10-26 21:53:56,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 21:53:56,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:53:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 170 states and 293 transitions. [2018-10-26 21:53:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 293 transitions. [2018-10-26 21:53:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-26 21:53:57,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:58,017 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 21:53:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 171 states and 292 transitions. [2018-10-26 21:53:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 292 transitions. [2018-10-26 21:53:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 21:53:58,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:53:58,948 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:53:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:53:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 295 transitions. [2018-10-26 21:53:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 295 transitions. [2018-10-26 21:53:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:53:59,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:53:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:00,102 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 21:54:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:00,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 140 states and 226 transitions. [2018-10-26 21:54:00,289 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 226 transitions. [2018-10-26 21:54:00,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:54:00,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:00,333 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 21:54:00,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:00,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 144 states and 233 transitions. [2018-10-26 21:54:00,454 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2018-10-26 21:54:00,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:54:00,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:00,478 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 21:54:00,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 145 states and 233 transitions. [2018-10-26 21:54:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 233 transitions. [2018-10-26 21:54:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:54:00,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:00,614 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 21:54:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:00,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 143 states and 229 transitions. [2018-10-26 21:54:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 229 transitions. [2018-10-26 21:54:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 21:54:00,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:00,944 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 21:54:01,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 140 states and 223 transitions. [2018-10-26 21:54:01,258 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 223 transitions. [2018-10-26 21:54:01,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 21:54:01,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:01,281 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 21:54:02,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:02,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 146 states and 234 transitions. [2018-10-26 21:54:02,059 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 234 transitions. [2018-10-26 21:54:02,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 21:54:02,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:02,083 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 21:54:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 84 states and 120 transitions. [2018-10-26 21:54:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2018-10-26 21:54:02,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:54:02,178 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2018-10-26 21:54:02,189 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:54:02,576 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 1 [2018-10-26 21:54:02,684 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,687 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,687 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,687 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,687 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,687 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,687 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,688 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-10-26 21:54:02,693 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,693 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,693 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,693 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,693 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,694 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 21:54:02,694 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,694 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:02,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:54:02 ImpRootNode [2018-10-26 21:54:02,703 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:54:02,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:54:02,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:54:02,704 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:54:02,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:53:45" (3/4) ... [2018-10-26 21:54:02,712 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:54:02,721 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 21:54:02,721 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 21:54:02,721 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 21:54:02,721 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 21:54:02,722 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 21:54:02,722 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 21:54:02,722 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 21:54:02,731 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 21:54:02,732 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-10-26 21:54:02,732 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 21:54:02,765 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || ((!(systemActive == 0) && waterLevel == 0) && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) [2018-10-26 21:54:02,815 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5f65af88-bc4e-400b-993e-535553f90ec4/bin-2019/ukojak/witness.graphml [2018-10-26 21:54:02,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:54:02,816 INFO L168 Benchmark]: Toolchain (without parser) took 20666.13 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 271.1 MB). Free memory was 957.1 MB in the beginning and 890.0 MB in the end (delta: 67.1 MB). Peak memory consumption was 338.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,817 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:54:02,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.74 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 928.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -224.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,818 INFO L168 Benchmark]: Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,818 INFO L168 Benchmark]: RCFGBuilder took 2319.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,821 INFO L168 Benchmark]: CodeCheck took 17623.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 1.1 GB in the beginning and 898.0 MB in the end (delta: 156.3 MB). Peak memory consumption was 268.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,821 INFO L168 Benchmark]: Witness Printer took 112.25 ms. Allocated memory is still 1.3 GB. Free memory was 898.0 MB in the beginning and 890.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:02,823 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 8 procedures, 116 locations, 1 error locations. SAFE Result, 17.0s OverallTime, 37 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1092521928 SDtfs, 1142113336 SDslu, 1706485968 SDs, 0 SdLazy, 1423596960 SolverSat, -166880432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12013 GetRequests, 11609 SyntacticMatches, 190 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21874 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1230 NumberOfCodeBlocks, 1230 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1194 ConstructedInterpolants, 0 QuantifiedInterpolants, 109333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 30 PerfectInterpolantSequences, 358/383 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: 82]: 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: 82]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((waterLevel == \old(waterLevel) && \old(pumpRunning) == pumpRunning) || ((!(systemActive == 0) && waterLevel == 0) && \old(pumpRunning) == pumpRunning)) || !(0 == pumpRunning) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: (0 == pumpRunning && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 861]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 451.74 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 928.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 119.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 928.9 MB in the beginning and 1.2 GB in the end (delta: -224.3 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2319.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. * CodeCheck took 17623.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 111.7 MB). Free memory was 1.1 GB in the beginning and 898.0 MB in the end (delta: 156.3 MB). Peak memory consumption was 268.0 MB. Max. memory is 11.5 GB. * Witness Printer took 112.25 ms. Allocated memory is still 1.3 GB. Free memory was 898.0 MB in the beginning and 890.0 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...