./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:49:59,505 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:49:59,506 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:49:59,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:49:59,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:49:59,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:49:59,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:49:59,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:49:59,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:49:59,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:49:59,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:49:59,519 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:49:59,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:49:59,520 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:49:59,521 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:49:59,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:49:59,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:49:59,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:49:59,525 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:49:59,527 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:49:59,528 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:49:59,529 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:49:59,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:49:59,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:49:59,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:49:59,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:49:59,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:49:59,533 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:49:59,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:49:59,534 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:49:59,534 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:49:59,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:49:59,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:49:59,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:49:59,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:49:59,537 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:49:59,537 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:49:59,549 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:49:59,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:49:59,550 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:49:59,550 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:49:59,550 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:49:59,550 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:49:59,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:49:59,551 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:49:59,551 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:49:59,551 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:49:59,551 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:49:59,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:49:59,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:49:59,552 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:49:59,552 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:49:59,552 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:49:59,552 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:49:59,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:49:59,552 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:49:59,552 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:49:59,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:49:59,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:49:59,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:49:59,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:49:59,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:49:59,553 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:49:59,554 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:49:59,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:49:59,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:49:59,554 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_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-11-18 12:49:59,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:49:59,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:49:59,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:49:59,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:49:59,591 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:49:59,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-18 12:49:59,632 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/data/bb78d610c/75b167bcc7da407c9c9b460f8dae9009/FLAGfe8c30476 [2018-11-18 12:50:00,092 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:50:00,093 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/sv-benchmarks/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-18 12:50:00,101 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/data/bb78d610c/75b167bcc7da407c9c9b460f8dae9009/FLAGfe8c30476 [2018-11-18 12:50:00,111 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/data/bb78d610c/75b167bcc7da407c9c9b460f8dae9009 [2018-11-18 12:50:00,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:50:00,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:50:00,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:50:00,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:50:00,117 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:50:00,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb2b19c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00, skipping insertion in model container [2018-11-18 12:50:00,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:50:00,153 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:50:00,360 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:50:00,367 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:50:00,459 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:50:00,478 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:50:00,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00 WrapperNode [2018-11-18 12:50:00,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:50:00,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:50:00,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:50:00,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:50:00,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,521 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:50:00,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:50:00,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:50:00,521 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:50:00,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... [2018-11-18 12:50:00,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:50:00,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:50:00,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:50:00,542 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:50:00,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:50:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:50:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:50:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:50:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:50:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:50:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:50:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:50:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:50:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:50:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:50:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:50:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:50:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:50:01,285 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:50:01,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:50:01 BoogieIcfgContainer [2018-11-18 12:50:01,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:50:01,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:50:01,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:50:01,295 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:50:01,295 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:50:01" (1/1) ... [2018-11-18 12:50:01,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:50:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-18 12:50:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-18 12:50:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 12:50:01,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-18 12:50:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-18 12:50:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:50:01,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-18 12:50:01,592 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-18 12:50:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:50:01,593 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-11-18 12:50:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-11-18 12:50:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:50:01,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-18 12:50:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-18 12:50:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:50:01,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-11-18 12:50:01,896 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-11-18 12:50:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:50:01,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-11-18 12:50:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-11-18 12:50:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:50:01,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-11-18 12:50:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-11-18 12:50:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 12:50:02,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2018-11-18 12:50:03,051 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-11-18 12:50:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 12:50:03,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2018-11-18 12:50:03,175 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2018-11-18 12:50:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 12:50:03,177 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 111 states and 180 transitions. [2018-11-18 12:50:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 180 transitions. [2018-11-18 12:50:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:50:03,335 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 112 states and 181 transitions. [2018-11-18 12:50:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2018-11-18 12:50:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 12:50:03,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 113 states and 182 transitions. [2018-11-18 12:50:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 182 transitions. [2018-11-18 12:50:03,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:50:03,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 208 transitions. [2018-11-18 12:50:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2018-11-18 12:50:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:50:03,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:03,994 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 125 states and 209 transitions. [2018-11-18 12:50:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 209 transitions. [2018-11-18 12:50:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:50:04,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 212 transitions. [2018-11-18 12:50:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 212 transitions. [2018-11-18 12:50:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:50:04,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:04,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 215 transitions. [2018-11-18 12:50:04,146 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 215 transitions. [2018-11-18 12:50:04,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:50:04,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:04,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 131 states and 220 transitions. [2018-11-18 12:50:04,312 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2018-11-18 12:50:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:50:04,313 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:04,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 132 states and 221 transitions. [2018-11-18 12:50:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 221 transitions. [2018-11-18 12:50:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:50:04,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:04,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 258 transitions. [2018-11-18 12:50:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 258 transitions. [2018-11-18 12:50:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 12:50:04,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:04,888 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 147 states and 262 transitions. [2018-11-18 12:50:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2018-11-18 12:50:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:50:05,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 150 states and 264 transitions. [2018-11-18 12:50:05,178 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 264 transitions. [2018-11-18 12:50:05,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:50:05,179 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:06,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 159 states and 285 transitions. [2018-11-18 12:50:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 285 transitions. [2018-11-18 12:50:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 12:50:06,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:50:06,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 160 states and 285 transitions. [2018-11-18 12:50:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 285 transitions. [2018-11-18 12:50:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 12:50:06,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:06,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:06,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 286 transitions. [2018-11-18 12:50:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 286 transitions. [2018-11-18 12:50:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 12:50:06,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:06,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:06,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:06,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 162 states and 287 transitions. [2018-11-18 12:50:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 287 transitions. [2018-11-18 12:50:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 12:50:06,645 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:06,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 163 states and 284 transitions. [2018-11-18 12:50:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 284 transitions. [2018-11-18 12:50:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 12:50:06,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 166 states and 289 transitions. [2018-11-18 12:50:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 289 transitions. [2018-11-18 12:50:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 12:50:07,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:07,534 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:50:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 167 states and 288 transitions. [2018-11-18 12:50:07,990 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 288 transitions. [2018-11-18 12:50:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:50:07,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:50:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 135 states and 221 transitions. [2018-11-18 12:50:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 221 transitions. [2018-11-18 12:50:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 12:50:08,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:08,380 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:50:08,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:08,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 139 states and 228 transitions. [2018-11-18 12:50:08,402 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 228 transitions. [2018-11-18 12:50:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:50:08,403 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 12:50:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 140 states and 228 transitions. [2018-11-18 12:50:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 228 transitions. [2018-11-18 12:50:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:50:08,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:50:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 138 states and 224 transitions. [2018-11-18 12:50:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 224 transitions. [2018-11-18 12:50:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 12:50:08,509 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:50:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 135 states and 218 transitions. [2018-11-18 12:50:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2018-11-18 12:50:08,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 12:50:08,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:50:09,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 141 states and 228 transitions. [2018-11-18 12:50:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2018-11-18 12:50:09,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:50:09,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:50:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:50:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:50:09,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:50:09,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 79 states and 113 transitions. [2018-11-18 12:50:09,147 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2018-11-18 12:50:09,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:50:09,147 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-18 12:50:09,154 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:50:09,313 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,315 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,315 INFO L579 CodeCheckObserver]: Invariant with dag size 16 [2018-11-18 12:50:09,318 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,318 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 12:50:09,319 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,319 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,319 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,319 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,319 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,319 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,320 INFO L579 CodeCheckObserver]: Invariant with dag size 17 [2018-11-18 12:50:09,320 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,321 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,321 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,321 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:50:09,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:50:09 ImpRootNode [2018-11-18 12:50:09,321 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:50:09,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:50:09,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:50:09,322 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:50:09,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:50:01" (3/4) ... [2018-11-18 12:50:09,325 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:50:09,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:50:09,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:50:09,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:50:09,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:50:09,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:50:09,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:50:09,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 12:50:09,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 12:50:09,336 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 12:50:09,358 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((0 == waterLevel && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) [2018-11-18 12:50:09,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || ((0 == waterLevel && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && \old(waterLevel) == waterLevel) && \old(pumpRunning) == pumpRunning) [2018-11-18 12:50:09,390 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b9a3c15-3ff0-438b-9b82-f6dc06b77895/bin-2019/ukojak/witness.graphml [2018-11-18 12:50:09,390 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:50:09,391 INFO L168 Benchmark]: Toolchain (without parser) took 9277.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 120.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:09,391 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:50:09,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:09,392 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.61 ms. Allocated memory is still 1.1 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. [2018-11-18 12:50:09,392 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 1.1 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. [2018-11-18 12:50:09,392 INFO L168 Benchmark]: RCFGBuilder took 743.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:09,392 INFO L168 Benchmark]: CodeCheck took 8035.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -95.6 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:50:09,393 INFO L168 Benchmark]: Witness Printer took 68.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:50:09,394 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 78 locations, 1 error locations. SAFE Result, 7.8s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -948881608 SDtfs, 369634104 SDslu, -1847732152 SDs, 0 SdLazy, -982623712 SolverSat, -217723824 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11552 GetRequests, 11171 SyntacticMatches, 171 SemanticMatches, 210 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20522 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1180 NumberOfCodeBlocks, 1180 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1145 ConstructedInterpolants, 0 QuantifiedInterpolants, 100294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 344/375 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 680]: 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: 838]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((0 == waterLevel && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: (0 == pumpRunning && tmp == waterLevel) && tmp == systemActive - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || ((0 == waterLevel && !(0 == systemActive)) && \old(pumpRunning) == pumpRunning)) || ((!(0 == waterLevel) && \old(waterLevel) == waterLevel) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -154.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.61 ms. Allocated memory is still 1.1 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 20.92 ms. Allocated memory is still 1.1 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 743.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 75.6 MB). Peak memory consumption was 75.6 MB. Max. memory is 11.5 GB. * CodeCheck took 8035.45 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -95.6 MB). Peak memory consumption was 73.7 MB. Max. memory is 11.5 GB. * Witness Printer took 68.48 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...