./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/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 ffb924ee3454938bf87e2a52362fa3f53467287e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 19:03:27,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:03:27,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:03:27,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:03:27,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:03:27,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:03:27,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:03:27,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:03:27,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:03:27,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:03:27,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:03:27,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:03:27,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:03:27,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:03:27,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:03:27,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:03:27,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:03:27,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:03:27,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:03:27,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:03:27,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:03:27,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:03:27,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:03:27,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:03:27,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:03:27,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:03:27,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:03:27,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:03:27,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:03:27,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:03:27,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:03:27,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:03:27,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:03:27,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:03:27,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:03:27,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:03:27,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:03:27,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:03:27,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:03:27,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:03:27,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:03:27,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 19:03:27,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:03:27,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:03:27,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 19:03:27,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 19:03:27,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:03:27,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:03:27,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:03:27,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 19:03:27,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 19:03:27,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:03:27,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 19:03:27,330 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:03:27,330 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:03:27,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:03:27,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:03:27,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:03:27,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:03:27,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:03:27,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 19:03:27,331 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:03:27,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:03:27,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 19:03:27,331 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_8114f560-1bc3-4ebb-bf24-353a34623f63/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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2019-12-01 19:03:27,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:03:27,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:03:27,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:03:27,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:03:27,444 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:03:27,444 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-12-01 19:03:27,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/data/e91577676/ac25722a240340beb4ec2ab61193507c/FLAG85336639d [2019-12-01 19:03:28,012 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:03:28,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-12-01 19:03:28,020 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/data/e91577676/ac25722a240340beb4ec2ab61193507c/FLAG85336639d [2019-12-01 19:03:28,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/data/e91577676/ac25722a240340beb4ec2ab61193507c [2019-12-01 19:03:28,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:03:28,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:03:28,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:03:28,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:03:28,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:03:28,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f2f420 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28, skipping insertion in model container [2019-12-01 19:03:28,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:03:28,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:03:28,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:03:28,757 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:03:28,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:03:28,819 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:03:28,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28 WrapperNode [2019-12-01 19:03:28,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:03:28,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:03:28,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:03:28,820 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:03:28,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:03:28,856 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:03:28,856 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:03:28,856 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:03:28,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... [2019-12-01 19:03:28,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:03:28,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:03:28,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:03:28,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:03:28,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:03:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/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 [2019-12-01 19:03:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 19:03:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-12-01 19:03:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-12-01 19:03:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-12-01 19:03:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-12-01 19:03:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-12-01 19:03:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-12-01 19:03:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-12-01 19:03:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-12-01 19:03:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 19:03:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-12-01 19:03:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-12-01 19:03:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-12-01 19:03:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-01 19:03:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-12-01 19:03:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-12-01 19:03:28,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:03:28,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 19:03:29,402 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 19:03:29,403 INFO L287 CfgBuilder]: Removed 32 assume(true) statements. [2019-12-01 19:03:29,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:03:29 BoogieIcfgContainer [2019-12-01 19:03:29,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 19:03:29,404 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 19:03:29,404 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 19:03:29,411 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 19:03:29,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:03:29" (1/1) ... [2019-12-01 19:03:29,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 19:03:29,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2019-12-01 19:03:29,444 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2019-12-01 19:03:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 19:03:29,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2019-12-01 19:03:29,604 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2019-12-01 19:03:29,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 19:03:29,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2019-12-01 19:03:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2019-12-01 19:03:29,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 19:03:29,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:29,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:29,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2019-12-01 19:03:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2019-12-01 19:03:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 19:03:29,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:30,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:30,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 78 states and 115 transitions. [2019-12-01 19:03:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2019-12-01 19:03:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 19:03:30,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:30,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2019-12-01 19:03:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2019-12-01 19:03:30,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 19:03:30,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 86 states and 131 transitions. [2019-12-01 19:03:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2019-12-01 19:03:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 19:03:30,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 132 transitions. [2019-12-01 19:03:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 132 transitions. [2019-12-01 19:03:30,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 19:03:30,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:30,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:03:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 103 states and 163 transitions. [2019-12-01 19:03:31,269 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 163 transitions. [2019-12-01 19:03:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 19:03:31,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:31,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:31,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:31,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 108 states and 173 transitions. [2019-12-01 19:03:31,402 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2019-12-01 19:03:31,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 19:03:31,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:31,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 109 states and 174 transitions. [2019-12-01 19:03:31,443 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 174 transitions. [2019-12-01 19:03:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 19:03:31,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:31,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 115 states and 189 transitions. [2019-12-01 19:03:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2019-12-01 19:03:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 19:03:31,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 19:03:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:32,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 195 transitions. [2019-12-01 19:03:32,321 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 195 transitions. [2019-12-01 19:03:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 19:03:32,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:32,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 191 transitions. [2019-12-01 19:03:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2019-12-01 19:03:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 19:03:32,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 19:03:32,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 119 states and 194 transitions. [2019-12-01 19:03:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 194 transitions. [2019-12-01 19:03:32,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 19:03:32,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:32,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:32,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 121 states and 199 transitions. [2019-12-01 19:03:32,743 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 199 transitions. [2019-12-01 19:03:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 19:03:32,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 129 states and 211 transitions. [2019-12-01 19:03:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2019-12-01 19:03:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 19:03:33,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:33,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 138 states and 223 transitions. [2019-12-01 19:03:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2019-12-01 19:03:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 19:03:34,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 19:03:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 184 transitions. [2019-12-01 19:03:34,120 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 184 transitions. [2019-12-01 19:03:34,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 19:03:34,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 19:03:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 197 transitions. [2019-12-01 19:03:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2019-12-01 19:03:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 19:03:34,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 19:03:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 128 states and 199 transitions. [2019-12-01 19:03:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2019-12-01 19:03:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 19:03:35,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:35,116 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 19:03:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:36,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 140 states and 221 transitions. [2019-12-01 19:03:36,241 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 221 transitions. [2019-12-01 19:03:36,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 19:03:36,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:36,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:36,266 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 19:03:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 142 states and 223 transitions. [2019-12-01 19:03:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2019-12-01 19:03:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 19:03:36,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 19:03:36,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 144 states and 226 transitions. [2019-12-01 19:03:36,499 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 226 transitions. [2019-12-01 19:03:36,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 19:03:36,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 19:03:36,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 124 states and 182 transitions. [2019-12-01 19:03:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2019-12-01 19:03:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 19:03:36,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 19:03:36,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:36,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 125 states and 183 transitions. [2019-12-01 19:03:36,568 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 183 transitions. [2019-12-01 19:03:36,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 19:03:36,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:03:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:03:36,586 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 19:03:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:03:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 53 states and 65 transitions. [2019-12-01 19:03:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-12-01 19:03:36,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 19:03:36,602 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2019-12-01 19:03:36,608 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 19:03:36,828 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 19:03:36,834 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,834 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,834 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 19:03:36,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,835 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-12-01 19:03:36,836 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,836 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,836 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,836 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:03:36,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:03:36 ImpRootNode [2019-12-01 19:03:36,837 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 19:03:36,837 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 19:03:36,837 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 19:03:36,838 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 19:03:36,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:03:29" (3/4) ... [2019-12-01 19:03:36,841 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 19:03:36,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-12-01 19:03:36,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-12-01 19:03:36,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-12-01 19:03:36,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-12-01 19:03:36,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-12-01 19:03:36,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-12-01 19:03:36,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-12-01 19:03:36,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2019-12-01 19:03:36,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-01 19:03:36,850 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 19:03:36,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 19:03:36,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 19:03:36,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 19:03:36,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 19:03:36,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-12-01 19:03:36,903 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8114f560-1bc3-4ebb-bf24-353a34623f63/bin/ukojak/witness.graphml [2019-12-01 19:03:36,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 19:03:36,904 INFO L168 Benchmark]: Toolchain (without parser) took 8416.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.5 MB). Free memory was 945.2 MB in the beginning and 815.3 MB in the end (delta: 129.9 MB). Peak memory consumption was 345.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:03:36,904 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:03:36,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-01 19:03:36,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:03:36,905 INFO L168 Benchmark]: Boogie Preprocessor took 21.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:03:36,906 INFO L168 Benchmark]: RCFGBuilder took 526.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. [2019-12-01 19:03:36,906 INFO L168 Benchmark]: CodeCheck took 7433.03 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 1.0 GB in the beginning and 826.2 MB in the end (delta: 177.9 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. [2019-12-01 19:03:36,906 INFO L168 Benchmark]: Witness Printer took 65.58 ms. Allocated memory is still 1.2 GB. Free memory was 826.2 MB in the beginning and 815.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-12-01 19:03:36,908 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 8 procedures, 52 locations, 1 error locations. Result: SAFE, OverallTime: 7.1s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1553133076 SDtfs, 535059044 SDslu, 952573124 SDs, 0 SdLazy, 1071838612 SolverSat, 357793612 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10091 GetRequests, 9842 SyntacticMatches, 57 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14723 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1065 NumberOfCodeBlocks, 1065 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1039 ConstructedInterpolants, 0 QuantifiedInterpolants, 90943 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 346/362 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: 890]: 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: 707]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: tmp == methaneLevelCritical || !(0 == tmp) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 639]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -129.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.9 MB). Peak memory consumption was 64.9 MB. Max. memory is 11.5 GB. * CodeCheck took 7433.03 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 1.0 GB in the beginning and 826.2 MB in the end (delta: 177.9 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. * Witness Printer took 65.58 ms. Allocated memory is still 1.2 GB. Free memory was 826.2 MB in the beginning and 815.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...