./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/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 229890f5f6e9af6d15d776f98b90421cce07d395 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:11:26,677 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:11:26,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:11:26,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:11:26,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:11:26,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:11:26,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:11:26,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:11:26,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:11:26,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:11:26,689 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:11:26,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:11:26,690 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:11:26,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:11:26,691 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:11:26,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:11:26,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:11:26,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:11:26,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:11:26,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:11:26,694 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:11:26,695 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:11:26,696 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:11:26,696 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:11:26,696 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:11:26,696 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:11:26,697 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:11:26,697 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:11:26,698 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:11:26,699 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:11:26,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:11:26,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:11:26,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:11:26,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:11:26,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:11:26,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:11:26,701 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 08:11:26,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:11:26,710 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:11:26,711 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:11:26,711 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 08:11:26,711 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:11:26,711 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:11:26,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:11:26,712 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:11:26,712 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:11:26,712 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:11:26,712 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:11:26,712 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:11:26,712 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:11:26,713 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:11:26,713 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:11:26,713 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:11:26,713 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:11:26,713 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:11:26,713 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 08:11:26,713 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 08:11:26,714 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:11:26,714 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:11:26,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 08:11:26,714 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:11:26,714 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:11:26,714 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:11:26,715 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 08:11:26,715 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:11:26,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:11:26,715 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_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/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 -> 229890f5f6e9af6d15d776f98b90421cce07d395 [2018-11-23 08:11:26,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:11:26,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:11:26,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:11:26,753 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:11:26,753 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:11:26,754 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-23 08:11:26,793 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/data/ff8cc2fbc/80f0bd977fb740889866e95c1b0f7448/FLAGd6c68bcbe [2018-11-23 08:11:27,223 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:11:27,223 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/sv-benchmarks/c/product-lines/minepump_spec4_product05_true-unreach-call_false-termination.cil.c [2018-11-23 08:11:27,230 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/data/ff8cc2fbc/80f0bd977fb740889866e95c1b0f7448/FLAGd6c68bcbe [2018-11-23 08:11:27,241 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/data/ff8cc2fbc/80f0bd977fb740889866e95c1b0f7448 [2018-11-23 08:11:27,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:11:27,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:11:27,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:11:27,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:11:27,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:11:27,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27, skipping insertion in model container [2018-11-23 08:11:27,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:11:27,293 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:11:27,479 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:11:27,489 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:11:27,581 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:11:27,598 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:11:27,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27 WrapperNode [2018-11-23 08:11:27,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:11:27,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:11:27,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:11:27,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:11:27,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:11:27,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:11:27,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:11:27,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:11:27,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... [2018-11-23 08:11:27,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:11:27,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:11:27,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:11:27,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:11:27,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:11:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/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 [2018-11-23 08:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:11:27,697 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:11:27,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:11:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:11:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:11:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:11:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:11:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:11:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:11:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:11:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:11:27,698 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:11:27,698 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:11:28,185 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:11:28,185 INFO L280 CfgBuilder]: Removed 36 assue(true) statements. [2018-11-23 08:11:28,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:28 BoogieIcfgContainer [2018-11-23 08:11:28,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:11:28,186 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 08:11:28,186 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 08:11:28,192 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 08:11:28,193 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:28" (1/1) ... [2018-11-23 08:11:28,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:11:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2018-11-23 08:11:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2018-11-23 08:11:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 08:11:28,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2018-11-23 08:11:28,366 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2018-11-23 08:11:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 08:11:28,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:28,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2018-11-23 08:11:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2018-11-23 08:11:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 08:11:28,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2018-11-23 08:11:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2018-11-23 08:11:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 08:11:28,631 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:28,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-11-23 08:11:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-11-23 08:11:28,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 08:11:28,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 77 transitions. [2018-11-23 08:11:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2018-11-23 08:11:28,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 08:11:28,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:28,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:28,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2018-11-23 08:11:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2018-11-23 08:11:28,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 08:11:28,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2018-11-23 08:11:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2018-11-23 08:11:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 08:11:29,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-11-23 08:11:29,272 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-11-23 08:11:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 08:11:29,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2018-11-23 08:11:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2018-11-23 08:11:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 08:11:29,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 136 transitions. [2018-11-23 08:11:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2018-11-23 08:11:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 08:11:29,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 89 states and 148 transitions. [2018-11-23 08:11:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 148 transitions. [2018-11-23 08:11:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 08:11:29,745 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 151 transitions. [2018-11-23 08:11:29,868 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2018-11-23 08:11:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 08:11:29,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:29,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:29,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 154 transitions. [2018-11-23 08:11:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 154 transitions. [2018-11-23 08:11:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 08:11:29,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:30,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 159 transitions. [2018-11-23 08:11:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 159 transitions. [2018-11-23 08:11:30,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 08:11:30,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:30,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:30,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 108 states and 187 transitions. [2018-11-23 08:11:30,448 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 187 transitions. [2018-11-23 08:11:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 08:11:30,449 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:30,468 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:30,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 109 states and 188 transitions. [2018-11-23 08:11:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 188 transitions. [2018-11-23 08:11:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-23 08:11:30,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:11:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 110 states and 189 transitions. [2018-11-23 08:11:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2018-11-23 08:11:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 08:11:30,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:30,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:11:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 125 states and 233 transitions. [2018-11-23 08:11:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 233 transitions. [2018-11-23 08:11:31,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 08:11:31,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:11:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 129 states and 243 transitions. [2018-11-23 08:11:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 243 transitions. [2018-11-23 08:11:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 08:11:31,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:11:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 130 states and 244 transitions. [2018-11-23 08:11:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 244 transitions. [2018-11-23 08:11:31,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-23 08:11:31,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:11:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 131 states and 242 transitions. [2018-11-23 08:11:31,771 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2018-11-23 08:11:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 08:11:31,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 08:11:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 132 states and 243 transitions. [2018-11-23 08:11:31,802 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 243 transitions. [2018-11-23 08:11:31,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 08:11:31,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,818 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 08:11:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 122 states and 223 transitions. [2018-11-23 08:11:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 223 transitions. [2018-11-23 08:11:31,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 08:11:31,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,843 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 08:11:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:31,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 126 states and 230 transitions. [2018-11-23 08:11:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2018-11-23 08:11:31,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 08:11:31,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 08:11:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 124 states and 226 transitions. [2018-11-23 08:11:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 226 transitions. [2018-11-23 08:11:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 08:11:32,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 08:11:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:32,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 122 states and 221 transitions. [2018-11-23 08:11:32,036 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2018-11-23 08:11:32,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-23 08:11:32,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 08:11:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:32,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 113 states and 204 transitions. [2018-11-23 08:11:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 204 transitions. [2018-11-23 08:11:32,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 08:11:32,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 08:11:32,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 109 states and 194 transitions. [2018-11-23 08:11:32,320 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 194 transitions. [2018-11-23 08:11:32,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 08:11:32,320 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 08:11:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:11:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 08:11:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 08:11:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 56 states and 79 transitions. [2018-11-23 08:11:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2018-11-23 08:11:32,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:11:32,481 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-11-23 08:11:32,489 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 08:11:32,620 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,622 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,623 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-23 08:11:32,625 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 08:11:32,626 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,626 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,626 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-23 08:11:32,627 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,627 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 08:11:32,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:11:32 ImpRootNode [2018-11-23 08:11:32,627 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 08:11:32,627 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:11:32,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:11:32,628 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:11:32,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:11:28" (3/4) ... [2018-11-23 08:11:32,631 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:11:32,634 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:11:32,634 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:11:32,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:11:32,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:11:32,635 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:11:32,639 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2018-11-23 08:11:32,640 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-23 08:11:32,640 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-23 08:11:32,640 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 08:11:32,640 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:11:32,641 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:11:32,641 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:11:32,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-23 08:11:32,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) [2018-11-23 08:11:32,689 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e54fe39-dc66-4b2c-b91f-fbee99c834d9/bin-2019/ukojak/witness.graphml [2018-11-23 08:11:32,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:11:32,690 INFO L168 Benchmark]: Toolchain (without parser) took 5446.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -194.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:32,691 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:11:32,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:32,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:32,692 INFO L168 Benchmark]: Boogie Preprocessor took 22.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:32,692 INFO L168 Benchmark]: RCFGBuilder took 524.84 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:32,692 INFO L168 Benchmark]: CodeCheck took 4441.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:11:32,692 INFO L168 Benchmark]: Witness Printer took 62.05 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:11:32,694 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, 59 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1510029920 SDtfs, -657127384 SDslu, 1299153288 SDs, 0 SdLazy, 525511538 SolverSat, 1258925086 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9868 GetRequests, 9660 SyntacticMatches, 68 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8151 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 954 NumberOfCodeBlocks, 954 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 925 ConstructedInterpolants, 0 QuantifiedInterpolants, 72954 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 21 PerfectInterpolantSequences, 340/373 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: 827]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(1 == waterLevel)) || !(0 == pumpRunning)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -168.1 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 524.84 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: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * CodeCheck took 4441.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -105.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 62.05 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...