./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84bee68029cd4e9781f81f2ec079192bad30236f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:21:39,486 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:21:39,488 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:21:39,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:21:39,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:21:39,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:21:39,496 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:21:39,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:21:39,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:21:39,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:21:39,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:21:39,500 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:21:39,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:21:39,501 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:21:39,502 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:21:39,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:21:39,503 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:21:39,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:21:39,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:21:39,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:21:39,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:21:39,509 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:21:39,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:21:39,510 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:21:39,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:21:39,511 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:21:39,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:21:39,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:21:39,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:21:39,514 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:21:39,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:21:39,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:21:39,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:21:39,515 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:21:39,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:21:39,516 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:21:39,516 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:21:39,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:21:39,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:21:39,528 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:21:39,528 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:21:39,528 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:21:39,528 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:21:39,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:21:39,529 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:21:39,530 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:21:39,530 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:21:39,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:21:39,530 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:21:39,530 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:21:39,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:21:39,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:21:39,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:21:39,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:21:39,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:21:39,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:21:39,531 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:21:39,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:21:39,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:21:39,531 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_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-11-09 23:21:39,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:21:39,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:21:39,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:21:39,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:21:39,565 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:21:39,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-09 23:21:39,602 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/data/24e46e1b4/2c786060a0da4a729eca99d77b847533/FLAG9a0f41139 [2018-11-09 23:21:40,036 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:21:40,036 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-09 23:21:40,043 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/data/24e46e1b4/2c786060a0da4a729eca99d77b847533/FLAG9a0f41139 [2018-11-09 23:21:40,052 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/data/24e46e1b4/2c786060a0da4a729eca99d77b847533 [2018-11-09 23:21:40,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:21:40,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:21:40,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:21:40,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:21:40,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:21:40,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40, skipping insertion in model container [2018-11-09 23:21:40,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:21:40,098 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:21:40,284 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:21:40,292 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:21:40,349 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:21:40,366 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:21:40,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40 WrapperNode [2018-11-09 23:21:40,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:21:40,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:21:40,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:21:40,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:21:40,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:21:40,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:21:40,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:21:40,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:21:40,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... [2018-11-09 23:21:40,485 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:21:40,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:21:40,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:21:40,486 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:21:40,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:21:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/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 [2018-11-09 23:21:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-09 23:21:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-09 23:21:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-09 23:21:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-09 23:21:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-09 23:21:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-09 23:21:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-09 23:21:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-09 23:21:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-09 23:21:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-09 23:21:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-09 23:21:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-09 23:21:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-09 23:21:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:21:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:21:41,481 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:21:41,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:21:41 BoogieIcfgContainer [2018-11-09 23:21:41,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:21:41,482 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:21:41,482 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:21:41,491 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:21:41,491 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:21:41" (1/1) ... [2018-11-09 23:21:41,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:21:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:41,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-09 23:21:41,531 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-09 23:21:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-09 23:21:41,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-09 23:21:41,680 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-09 23:21:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-09 23:21:41,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:41,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-09 23:21:41,779 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-09 23:21:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-09 23:21:41,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:42,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2018-11-09 23:21:42,006 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2018-11-09 23:21:42,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-09 23:21:42,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:42,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-09 23:21:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-09 23:21:42,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-09 23:21:42,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:42,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 70 states and 98 transitions. [2018-11-09 23:21:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2018-11-09 23:21:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-09 23:21:42,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:42,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 71 states and 99 transitions. [2018-11-09 23:21:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2018-11-09 23:21:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-09 23:21:42,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:42,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 88 states and 132 transitions. [2018-11-09 23:21:42,501 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 132 transitions. [2018-11-09 23:21:42,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-09 23:21:42,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:43,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 104 states and 169 transitions. [2018-11-09 23:21:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 169 transitions. [2018-11-09 23:21:43,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-09 23:21:43,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:43,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 178 transitions. [2018-11-09 23:21:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 178 transitions. [2018-11-09 23:21:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-09 23:21:43,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2018-11-09 23:21:43,422 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2018-11-09 23:21:43,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-09 23:21:43,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 182 transitions. [2018-11-09 23:21:43,469 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 182 transitions. [2018-11-09 23:21:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-09 23:21:43,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2018-11-09 23:21:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-11-09 23:21:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-09 23:21:43,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:43,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:43,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 209 transitions. [2018-11-09 23:21:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 209 transitions. [2018-11-09 23:21:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-09 23:21:43,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:44,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2018-11-09 23:21:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-11-09 23:21:44,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-09 23:21:44,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:44,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 213 transitions. [2018-11-09 23:21:44,063 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2018-11-09 23:21:44,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-09 23:21:44,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 130 states and 220 transitions. [2018-11-09 23:21:44,222 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 220 transitions. [2018-11-09 23:21:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-09 23:21:44,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:44,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 221 transitions. [2018-11-09 23:21:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2018-11-09 23:21:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-09 23:21:44,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 132 states and 222 transitions. [2018-11-09 23:21:44,332 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2018-11-09 23:21:44,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-09 23:21:44,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:44,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 144 states and 260 transitions. [2018-11-09 23:21:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 260 transitions. [2018-11-09 23:21:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-09 23:21:44,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:44,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:45,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 147 states and 264 transitions. [2018-11-09 23:21:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 264 transitions. [2018-11-09 23:21:45,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-09 23:21:45,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 150 states and 266 transitions. [2018-11-09 23:21:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 266 transitions. [2018-11-09 23:21:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-09 23:21:45,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:45,421 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:46,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 159 states and 290 transitions. [2018-11-09 23:21:46,678 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 290 transitions. [2018-11-09 23:21:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-09 23:21:46,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-09 23:21:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 290 transitions. [2018-11-09 23:21:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 290 transitions. [2018-11-09 23:21:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-09 23:21:46,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 161 states and 291 transitions. [2018-11-09 23:21:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 291 transitions. [2018-11-09 23:21:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-09 23:21:46,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:46,774 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:46,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 292 transitions. [2018-11-09 23:21:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2018-11-09 23:21:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-09 23:21:46,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:46,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:46,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 289 transitions. [2018-11-09 23:21:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2018-11-09 23:21:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-09 23:21:46,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:47,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 294 transitions. [2018-11-09 23:21:47,608 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2018-11-09 23:21:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-09 23:21:47,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:21:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 167 states and 293 transitions. [2018-11-09 23:21:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2018-11-09 23:21:48,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-09 23:21:48,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:48,186 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-09 23:21:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 135 states and 226 transitions. [2018-11-09 23:21:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 226 transitions. [2018-11-09 23:21:48,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-09 23:21:48,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-09 23:21:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:48,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 139 states and 233 transitions. [2018-11-09 23:21:48,487 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2018-11-09 23:21:48,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-09 23:21:48,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-09 23:21:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 140 states and 233 transitions. [2018-11-09 23:21:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2018-11-09 23:21:48,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-09 23:21:48,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-09 23:21:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:48,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 138 states and 229 transitions. [2018-11-09 23:21:48,541 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2018-11-09 23:21:48,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-09 23:21:48,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-09 23:21:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 135 states and 223 transitions. [2018-11-09 23:21:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 223 transitions. [2018-11-09 23:21:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-09 23:21:48,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-09 23:21:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:49,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 141 states and 235 transitions. [2018-11-09 23:21:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 235 transitions. [2018-11-09 23:21:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-09 23:21:49,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:21:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:21:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-09 23:21:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:21:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 79 states and 115 transitions. [2018-11-09 23:21:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2018-11-09 23:21:49,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-09 23:21:49,088 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-09 23:21:49,099 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-09 23:21:49,298 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,300 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,300 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,301 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,301 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,301 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,301 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,305 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-09 23:21:49,306 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-09 23:21:49,306 INFO L582 CodeCheckObserver]: Invariant with dag size 10 [2018-11-09 23:21:49,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:21:49 ImpRootNode [2018-11-09 23:21:49,307 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:21:49,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:21:49,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:21:49,307 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:21:49,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:21:41" (3/4) ... [2018-11-09 23:21:49,313 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-09 23:21:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-09 23:21:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-09 23:21:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-09 23:21:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-09 23:21:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-09 23:21:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-09 23:21:49,323 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2018-11-09 23:21:49,323 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-09 23:21:49,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-09 23:21:49,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) [2018-11-09 23:21:49,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || ((1 == waterLevel && \old(waterLevel) == waterLevel) && \old(pumpRunning) == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) [2018-11-09 23:21:49,377 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_537eabcb-2dbe-40f4-80c7-f571cd2d6ca3/bin-2019/ukojak/witness.graphml [2018-11-09 23:21:49,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:21:49,378 INFO L168 Benchmark]: Toolchain (without parser) took 9323.33 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 960.2 MB in the beginning and 996.1 MB in the end (delta: -35.9 MB). Peak memory consumption was 331.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:21:49,379 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-09 23:21:49,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.44 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:21:49,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-09 23:21:49,380 INFO L168 Benchmark]: Boogie Preprocessor took 23.88 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-09 23:21:49,380 INFO L168 Benchmark]: RCFGBuilder took 996.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. [2018-11-09 23:21:49,380 INFO L168 Benchmark]: CodeCheck took 7824.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. [2018-11-09 23:21:49,381 INFO L168 Benchmark]: Witness Printer took 70.51 ms. Allocated memory is still 1.4 GB. Free memory is still 996.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:21:49,382 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 115 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -950454472 SDtfs, 641216312 SDslu, -1839343544 SDs, 0 SdLazy, -981508560 SolverSat, -485929904 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11718 GetRequests, 11337 SyntacticMatches, 173 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20471 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1180 NumberOfCodeBlocks, 1180 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1145 ConstructedInterpolants, 0 QuantifiedInterpolants, 99619 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 344/375 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || ((1 == waterLevel && \old(waterLevel) == waterLevel) && \old(pumpRunning) == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (tmp == systemActive && 0 == pumpRunning) && 1 == waterLevel * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 310.44 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -188.3 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.88 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 996.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 94.6 MB). Peak memory consumption was 94.6 MB. Max. memory is 11.5 GB. * CodeCheck took 7824.57 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.7 MB). Peak memory consumption was 255.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.51 ms. Allocated memory is still 1.4 GB. Free memory is still 996.1 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...