./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/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 920725b4778fe7902e2cc2a93ab39c30358d9d16 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:58:29,425 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:58:29,426 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:58:29,432 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:58:29,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:58:29,433 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:58:29,434 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:58:29,435 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:58:29,436 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:58:29,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:58:29,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:58:29,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:58:29,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:58:29,439 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:58:29,440 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:58:29,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:58:29,441 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:58:29,442 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:58:29,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:58:29,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:58:29,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:58:29,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:58:29,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:58:29,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:58:29,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:58:29,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:58:29,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:58:29,450 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:58:29,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:58:29,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:58:29,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:58:29,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:58:29,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:58:29,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:58:29,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:58:29,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:58:29,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:58:29,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:58:29,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:58:29,465 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:58:29,465 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:58:29,466 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:58:29,466 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:58:29,466 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:58:29,466 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:58:29,467 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:58:29,467 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:58:29,468 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:58:29,468 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:58:29,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:58:29,468 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_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/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 -> 920725b4778fe7902e2cc2a93ab39c30358d9d16 [2018-11-18 11:58:29,492 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:58:29,501 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:58:29,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:58:29,505 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:58:29,506 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:58:29,506 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-18 11:58:29,554 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/data/68e40da40/5efb2e820c4845f89f53c6d410d28a2e/FLAGfdeb0377c [2018-11-18 11:58:29,944 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:58:29,944 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/sv-benchmarks/c/product-lines/minepump_spec1_product25_true-unreach-call_false-termination.cil.c [2018-11-18 11:58:29,953 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/data/68e40da40/5efb2e820c4845f89f53c6d410d28a2e/FLAGfdeb0377c [2018-11-18 11:58:29,966 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/data/68e40da40/5efb2e820c4845f89f53c6d410d28a2e [2018-11-18 11:58:29,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:58:29,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:58:29,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:58:29,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:58:29,974 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:58:29,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:58:29" (1/1) ... [2018-11-18 11:58:29,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:29, skipping insertion in model container [2018-11-18 11:58:29,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:58:29" (1/1) ... [2018-11-18 11:58:29,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:58:30,022 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:58:30,254 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:58:30,264 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:58:30,384 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:58:30,400 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:58:30,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30 WrapperNode [2018-11-18 11:58:30,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:58:30,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:58:30,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:58:30,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:58:30,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:58:30,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:58:30,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:58:30,443 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:58:30,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... [2018-11-18 11:58:30,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:58:30,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:58:30,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:58:30,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:58:30,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:58:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/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 11:58:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:58:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:58:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:58:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:58:30,499 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:58:30,499 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:58:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:58:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:58:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:58:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:58:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:58:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:58:30,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:58:30,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:58:30,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:58:31,210 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:58:31,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:31 BoogieIcfgContainer [2018-11-18 11:58:31,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:58:31,211 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:58:31,211 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:58:31,218 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:58:31,218 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:31" (1/1) ... [2018-11-18 11:58:31,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-18 11:58:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-18 11:58:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:58:31,262 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:31,418 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 11:58:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-18 11:58:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-18 11:58:31,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:58:31,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:31,506 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 11:58:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-18 11:58:31,538 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-18 11:58:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:58:31,539 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:31,626 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 11:58:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:31,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2018-11-18 11:58:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2018-11-18 11:58:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:58:31,768 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:58:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-11-18 11:58:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-11-18 11:58:32,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:58:32,126 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,170 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 11:58:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2018-11-18 11:58:32,191 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2018-11-18 11:58:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 11:58:32,192 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,231 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 11:58:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2018-11-18 11:58:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2018-11-18 11:58:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 11:58:32,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,406 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 11:58:32,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 93 states and 143 transitions. [2018-11-18 11:58:32,761 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2018-11-18 11:58:32,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:58:32,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,786 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 11:58:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 94 states and 146 transitions. [2018-11-18 11:58:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 146 transitions. [2018-11-18 11:58:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:58:32,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,882 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 11:58:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 95 states and 147 transitions. [2018-11-18 11:58:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 147 transitions. [2018-11-18 11:58:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:58:32,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:32,948 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 11:58:32,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 148 transitions. [2018-11-18 11:58:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2018-11-18 11:58:32,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:58:32,969 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:33,017 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 11:58:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 102 states and 156 transitions. [2018-11-18 11:58:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2018-11-18 11:58:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 11:58:33,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:58:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 169 transitions. [2018-11-18 11:58:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2018-11-18 11:58:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 11:58:33,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:58:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 107 states and 165 transitions. [2018-11-18 11:58:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2018-11-18 11:58:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 11:58:33,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:58:34,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:34,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 185 transitions. [2018-11-18 11:58:34,654 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2018-11-18 11:58:34,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:58:34,655 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:58:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 189 transitions. [2018-11-18 11:58:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2018-11-18 11:58:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 11:58:34,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:58:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 127 states and 208 transitions. [2018-11-18 11:58:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 208 transitions. [2018-11-18 11:58:35,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:58:35,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:35,065 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:58:35,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 128 states and 209 transitions. [2018-11-18 11:58:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2018-11-18 11:58:35,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:58:35,095 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 11:58:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 210 transitions. [2018-11-18 11:58:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 210 transitions. [2018-11-18 11:58:35,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:58:35,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:35,246 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:58:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 141 states and 240 transitions. [2018-11-18 11:58:36,180 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 240 transitions. [2018-11-18 11:58:36,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:58:36,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:36,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:58:36,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 142 states and 241 transitions. [2018-11-18 11:58:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 241 transitions. [2018-11-18 11:58:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 11:58:36,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:58:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:37,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 152 states and 267 transitions. [2018-11-18 11:58:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2018-11-18 11:58:37,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-18 11:58:37,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:37,107 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:58:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:37,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 159 states and 290 transitions. [2018-11-18 11:58:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 290 transitions. [2018-11-18 11:58:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:58:37,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:37,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:58:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 160 states and 291 transitions. [2018-11-18 11:58:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 291 transitions. [2018-11-18 11:58:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:58:37,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 11:58:37,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:37,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 161 states and 292 transitions. [2018-11-18 11:58:37,423 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 292 transitions. [2018-11-18 11:58:37,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-18 11:58:37,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:58:37,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 165 states and 299 transitions. [2018-11-18 11:58:37,669 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 299 transitions. [2018-11-18 11:58:37,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:58:37,670 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:37,819 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 11:58:38,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 170 states and 308 transitions. [2018-11-18 11:58:38,664 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 308 transitions. [2018-11-18 11:58:38,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:58:38,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 11:58:38,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:38,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 168 states and 304 transitions. [2018-11-18 11:58:38,723 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 304 transitions. [2018-11-18 11:58:38,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:58:38,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 11:58:39,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 173 states and 311 transitions. [2018-11-18 11:58:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 311 transitions. [2018-11-18 11:58:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 11:58:39,327 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:58:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 175 states and 314 transitions. [2018-11-18 11:58:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 314 transitions. [2018-11-18 11:58:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:58:39,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:39,419 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:58:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 302 transitions. [2018-11-18 11:58:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 302 transitions. [2018-11-18 11:58:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 11:58:39,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 11:58:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:40,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 189 states and 341 transitions. [2018-11-18 11:58:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 341 transitions. [2018-11-18 11:58:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:58:40,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:40,947 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:58:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 190 states and 342 transitions. [2018-11-18 11:58:40,976 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 342 transitions. [2018-11-18 11:58:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 11:58:40,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 11:58:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:41,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 180 states and 318 transitions. [2018-11-18 11:58:41,206 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 318 transitions. [2018-11-18 11:58:41,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 11:58:41,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:58:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:41,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 173 states and 305 transitions. [2018-11-18 11:58:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 305 transitions. [2018-11-18 11:58:41,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 11:58:41,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:58:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 11:58:41,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:58:41,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 86 states and 119 transitions. [2018-11-18 11:58:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2018-11-18 11:58:41,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:58:41,706 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-11-18 11:58:41,714 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:58:41,900 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,902 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,902 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,902 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 11:58:41,906 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 11:58:41,906 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,906 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,906 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 11:58:41,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,907 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,907 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 11:58:41,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,908 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:58:41,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:58:41 ImpRootNode [2018-11-18 11:58:41,908 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:58:41,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:58:41,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:58:41,909 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:58:41,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:58:31" (3/4) ... [2018-11-18 11:58:41,913 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:58:41,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:58:41,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:58:41,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:58:41,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:58:41,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:58:41,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:58:41,922 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-11-18 11:58:41,922 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:58:41,922 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:58:41,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive [2018-11-18 11:58:41,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-11-18 11:58:41,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || tmp == 0) || !(0 == pumpRunning) [2018-11-18 11:58:41,976 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d71a74f-15ab-42a5-a9e9-e3a17076c44a/bin-2019/ukojak/witness.graphml [2018-11-18 11:58:41,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:58:41,977 INFO L168 Benchmark]: Toolchain (without parser) took 12008.03 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.8 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -205.5 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:41,978 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:41,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:41,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:41,979 INFO L168 Benchmark]: Boogie Preprocessor took 19.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:41,979 INFO L168 Benchmark]: RCFGBuilder took 747.36 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: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:41,979 INFO L168 Benchmark]: CodeCheck took 10697.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -118.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:58:41,980 INFO L168 Benchmark]: Witness Printer took 67.88 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:58:41,981 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, 75 locations, 1 error locations. SAFE Result, 10.4s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2044308216 SDtfs, -626903806 SDslu, 450123800 SDs, 0 SdLazy, -1512802194 SolverSat, -1978705764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15667 GetRequests, 15280 SyntacticMatches, 147 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24429 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1636 NumberOfCodeBlocks, 1636 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1601 ConstructedInterpolants, 0 QuantifiedInterpolants, 178032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 705/769 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: 206]: 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: 462]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == tmp || !(pumpRunning == \old(pumpRunning))) || tmp == 0) || !(0 == pumpRunning) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 396]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 430.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 747.36 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: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * CodeCheck took 10697.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -118.5 MB). Peak memory consumption was 72.9 MB. Max. memory is 11.5 GB. * Witness Printer took 67.88 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...