./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/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 a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:07:46,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:07:46,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:07:46,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:07:46,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:07:46,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:07:46,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:07:46,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:07:46,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:07:46,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:07:46,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:07:46,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:07:46,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:07:46,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:07:46,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:07:46,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:07:46,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:07:46,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:07:46,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:07:46,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:07:46,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:07:46,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:07:46,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:07:46,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:07:46,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:07:46,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:07:46,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:07:46,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:07:46,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:07:46,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:07:46,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:07:46,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:07:46,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:07:46,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:07:46,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:07:46,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:07:46,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:07:46,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:07:46,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:07:46,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:07:46,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:07:46,527 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:07:46,541 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:07:46,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:07:46,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:07:46,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:07:46,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:07:46,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:07:46,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:07:46,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:07:46,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:07:46,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:07:46,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:07:46,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:07:46,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:07:46,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:07:46,545 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:07:46,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:07:46,545 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:07:46,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:07:46,546 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:07:46,546 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:07:46,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:07:46,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:07:46,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:07:46,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:07:46,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:07:46,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:07:46,548 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:07:46,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:07:46,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:07:46,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/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 -> a844f2570635c0549a90fa68b4a0ca8e0d5c4fa4 [2019-11-26 02:07:46,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:07:46,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:07:46,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:07:46,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:07:46,709 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:07:46,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-11-26 02:07:46,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/data/5169653f3/4aca4f880067409d868ae2fc5590ad3a/FLAGdebabb9a2 [2019-11-26 02:07:47,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:07:47,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2019-11-26 02:07:47,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/data/5169653f3/4aca4f880067409d868ae2fc5590ad3a/FLAGdebabb9a2 [2019-11-26 02:07:47,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/data/5169653f3/4aca4f880067409d868ae2fc5590ad3a [2019-11-26 02:07:47,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:07:47,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:07:47,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:07:47,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:07:47,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:07:47,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:07:47" (1/1) ... [2019-11-26 02:07:47,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b6b64b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:47, skipping insertion in model container [2019-11-26 02:07:47,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:07:47" (1/1) ... [2019-11-26 02:07:47,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:07:47,832 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:07:48,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:07:48,194 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:07:48,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:07:48,323 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:07:48,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48 WrapperNode [2019-11-26 02:07:48,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:07:48,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:07:48,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:07:48,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:07:48,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:07:48,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:07:48,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:07:48,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:07:48,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... [2019-11-26 02:07:48,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:07:48,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:07:48,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:07:48,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:07:48,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:07:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/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 [2019-11-26 02:07:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:07:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:07:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:07:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:07:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:07:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:07:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:07:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:07:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-26 02:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-26 02:07:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:07:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:07:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:07:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:07:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:07:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:07:49,406 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:07:49,406 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:07:49,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:07:49 BoogieIcfgContainer [2019-11-26 02:07:49,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:07:49,408 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:07:49,408 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:07:49,419 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:07:49,419 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:07:49" (1/1) ... [2019-11-26 02:07:49,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:07:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2019-11-26 02:07:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2019-11-26 02:07:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:07:49,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-11-26 02:07:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-11-26 02:07:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:07:49,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 61 states and 79 transitions. [2019-11-26 02:07:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2019-11-26 02:07:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:07:49,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:50,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 74 states and 105 transitions. [2019-11-26 02:07:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2019-11-26 02:07:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:07:50,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:50,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 106 transitions. [2019-11-26 02:07:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2019-11-26 02:07:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:07:50,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:50,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 90 states and 138 transitions. [2019-11-26 02:07:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 138 transitions. [2019-11-26 02:07:51,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:07:51,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:51,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:51,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 91 states and 139 transitions. [2019-11-26 02:07:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 139 transitions. [2019-11-26 02:07:51,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-26 02:07:51,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:51,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 94 states and 147 transitions. [2019-11-26 02:07:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2019-11-26 02:07:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:07:51,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:07:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:51,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 98 states and 156 transitions. [2019-11-26 02:07:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2019-11-26 02:07:51,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:07:51,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 100 states and 160 transitions. [2019-11-26 02:07:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 160 transitions. [2019-11-26 02:07:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-26 02:07:52,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:07:52,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:52,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 98 states and 154 transitions. [2019-11-26 02:07:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 154 transitions. [2019-11-26 02:07:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-26 02:07:52,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:07:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 104 states and 166 transitions. [2019-11-26 02:07:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 166 transitions. [2019-11-26 02:07:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:07:52,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:07:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 102 states and 162 transitions. [2019-11-26 02:07:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 162 transitions. [2019-11-26 02:07:52,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:07:52,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:52,725 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:07:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 105 states and 168 transitions. [2019-11-26 02:07:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2019-11-26 02:07:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:07:53,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:53,796 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:07:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:56,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 120 states and 207 transitions. [2019-11-26 02:07:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 207 transitions. [2019-11-26 02:07:56,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-26 02:07:56,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:07:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 122 states and 208 transitions. [2019-11-26 02:07:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2019-11-26 02:07:56,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:07:56,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:56,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:07:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 124 states and 213 transitions. [2019-11-26 02:07:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 213 transitions. [2019-11-26 02:07:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:07:57,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:07:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:07:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 132 states and 235 transitions. [2019-11-26 02:07:58,311 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 235 transitions. [2019-11-26 02:07:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:07:58,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:07:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:07:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:08:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 265 transitions. [2019-11-26 02:08:00,064 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 265 transitions. [2019-11-26 02:08:00,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:08:00,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:08:00,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 146 states and 269 transitions. [2019-11-26 02:08:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 269 transitions. [2019-11-26 02:08:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:08:00,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-26 02:08:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 147 states and 270 transitions. [2019-11-26 02:08:00,462 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 270 transitions. [2019-11-26 02:08:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:08:00,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:00,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:08:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 149 states and 274 transitions. [2019-11-26 02:08:01,113 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 274 transitions. [2019-11-26 02:08:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:08:01,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:08:03,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 135 states and 225 transitions. [2019-11-26 02:08:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 225 transitions. [2019-11-26 02:08:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-26 02:08:03,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-26 02:08:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 137 states and 228 transitions. [2019-11-26 02:08:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2019-11-26 02:08:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-26 02:08:03,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-26 02:08:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:03,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 138 states and 229 transitions. [2019-11-26 02:08:03,448 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2019-11-26 02:08:03,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-26 02:08:03,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-26 02:08:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:03,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 139 states and 230 transitions. [2019-11-26 02:08:03,530 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 230 transitions. [2019-11-26 02:08:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-26 02:08:03,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-26 02:08:07,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 151 states and 255 transitions. [2019-11-26 02:08:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 255 transitions. [2019-11-26 02:08:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-26 02:08:07,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-26 02:08:08,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:08,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 153 states and 256 transitions. [2019-11-26 02:08:08,522 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2019-11-26 02:08:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-26 02:08:08,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-26 02:08:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 151 states and 251 transitions. [2019-11-26 02:08:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 251 transitions. [2019-11-26 02:08:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-26 02:08:08,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 21 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 02:08:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 159 states and 270 transitions. [2019-11-26 02:08:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 270 transitions. [2019-11-26 02:08:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-26 02:08:09,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 39 proven. 31 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:08:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:10,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 163 states and 279 transitions. [2019-11-26 02:08:10,132 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 279 transitions. [2019-11-26 02:08:10,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-26 02:08:10,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:08:12,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 169 states and 289 transitions. [2019-11-26 02:08:12,222 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 289 transitions. [2019-11-26 02:08:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-26 02:08:12,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:12,263 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 39 proven. 34 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:08:12,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:12,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 170 states and 291 transitions. [2019-11-26 02:08:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 291 transitions. [2019-11-26 02:08:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-26 02:08:12,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 19 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-26 02:08:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 171 states and 292 transitions. [2019-11-26 02:08:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 292 transitions. [2019-11-26 02:08:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-26 02:08:12,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 65 proven. 30 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-26 02:08:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:12,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 173 states and 295 transitions. [2019-11-26 02:08:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 295 transitions. [2019-11-26 02:08:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-26 02:08:12,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:08:12,785 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-11-26 02:08:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 113 states and 165 transitions. [2019-11-26 02:08:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-26 02:08:12,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:08:12,834 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2019-11-26 02:08:12,846 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:08:13,261 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-26 02:08:13,270 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,270 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:08:13,271 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,271 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2019-11-26 02:08:13,274 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,275 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,275 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:08:13,277 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,277 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,277 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,277 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,277 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,278 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:08:13,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:08:13 ImpRootNode [2019-11-26 02:08:13,278 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:08:13,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:08:13,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:08:13,280 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:08:13,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:07:49" (3/4) ... [2019-11-26 02:08:13,284 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:08:13,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2019-11-26 02:08:13,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:08:13,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:08:13,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:08:13,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:08:13,291 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-26 02:08:13,292 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:08:13,292 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2019-11-26 02:08:13,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2019-11-26 02:08:13,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:08:13,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:08:13,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:08:13,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:08:13,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:08:13,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:08:13,345 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) [2019-11-26 02:08:13,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: pumpRunning == \old(pumpRunning) [2019-11-26 02:08:13,348 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) || (!(0 == tmp) && !(pumpRunning == 0))) || tmp == methaneLevelCritical [2019-11-26 02:08:13,408 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e299d7fe-a54a-4779-bdc4-908584103d35/bin/ukojak/witness.graphml [2019-11-26 02:08:13,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:08:13,411 INFO L168 Benchmark]: Toolchain (without parser) took 25629.58 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 454.6 MB). Free memory was 950.1 MB in the beginning and 836.8 MB in the end (delta: 113.3 MB). Peak memory consumption was 567.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:13,411 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:13,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:13,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:13,412 INFO L168 Benchmark]: Boogie Preprocessor took 32.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:13,413 INFO L168 Benchmark]: RCFGBuilder took 994.95 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:13,413 INFO L168 Benchmark]: CodeCheck took 23870.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 316.1 MB). Free memory was 1.0 GB in the beginning and 838.7 MB in the end (delta: 206.3 MB). Peak memory consumption was 522.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:13,414 INFO L168 Benchmark]: Witness Printer took 129.59 ms. Allocated memory is still 1.5 GB. Free memory was 838.7 MB in the beginning and 836.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:13,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 59 locations, 1 error locations. Result: SAFE, OverallTime: 23.3s, OverallIterations: 36, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1145810196 SDtfs, 1813601884 SDslu, -1560135172 SDs, 0 SdLazy, 1176848356 SolverSat, -1221189860 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18216 GetRequests, 17761 SyntacticMatches, 145 SemanticMatches, 310 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42371 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1753 NumberOfCodeBlocks, 1753 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1718 ConstructedInterpolants, 0 QuantifiedInterpolants, 221152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 19 PerfectInterpolantSequences, 903/1138 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 578]: 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: 685]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) || !(pumpRunning == 0) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: pumpRunning == \old(pumpRunning) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: ((!(pumpRunning == \old(pumpRunning)) && !(0 == tmp)) || (!(0 == tmp) && !(pumpRunning == 0))) || tmp == methaneLevelCritical - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 542.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.38 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 994.95 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 23870.26 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 316.1 MB). Free memory was 1.0 GB in the beginning and 838.7 MB in the end (delta: 206.3 MB). Peak memory consumption was 522.5 MB. Max. memory is 11.5 GB. * Witness Printer took 129.59 ms. Allocated memory is still 1.5 GB. Free memory was 838.7 MB in the beginning and 836.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...