./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28a54042f1f5566756557cd1279c2453038441ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:06:32,907 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:06:32,909 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:06:32,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:06:32,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:06:32,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:06:32,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:06:32,930 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:06:32,931 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:06:32,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:06:32,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:06:32,936 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:06:32,936 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:06:32,938 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:06:32,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:06:32,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:06:32,949 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:06:32,950 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:06:32,951 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:06:32,953 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:06:32,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:06:32,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:06:32,958 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:06:32,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:06:32,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:06:32,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:06:32,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:06:32,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:06:32,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:06:32,965 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:06:32,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:06:32,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:06:32,967 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:06:32,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:06:32,968 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:06:32,968 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:06:32,969 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 17:06:32,984 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:06:32,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:06:32,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:06:32,988 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 17:06:32,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:06:32,990 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:06:32,990 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:06:32,990 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:06:32,990 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:06:32,990 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:06:32,990 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:06:32,991 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:06:32,991 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 17:06:32,992 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 17:06:32,992 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:06:32,992 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:06:32,992 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:06:32,992 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:06:32,992 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:06:32,992 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:06:32,992 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 17:06:32,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:06:32,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:06:32,993 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28a54042f1f5566756557cd1279c2453038441ec [2018-11-18 17:06:33,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:06:33,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:06:33,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:06:33,043 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:06:33,044 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:06:33,044 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-18 17:06:33,088 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/data/e7fc5d736/dbb3dee0bfdd44fba91aa2e8eb96fdd2/FLAG1cd2876cf [2018-11-18 17:06:33,467 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:06:33,467 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-11-18 17:06:33,477 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/data/e7fc5d736/dbb3dee0bfdd44fba91aa2e8eb96fdd2/FLAG1cd2876cf [2018-11-18 17:06:33,858 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/data/e7fc5d736/dbb3dee0bfdd44fba91aa2e8eb96fdd2 [2018-11-18 17:06:33,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:06:33,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:06:33,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:33,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:06:33,865 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:06:33,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:33" (1/1) ... [2018-11-18 17:06:33,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fb2fd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:33, skipping insertion in model container [2018-11-18 17:06:33,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:06:33" (1/1) ... [2018-11-18 17:06:33,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:06:33,905 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:06:34,093 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:34,101 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:06:34,185 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:06:34,265 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:06:34,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34 WrapperNode [2018-11-18 17:06:34,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:06:34,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:06:34,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:06:34,266 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:06:34,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:06:34,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:06:34,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:06:34,306 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:06:34,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... [2018-11-18 17:06:34,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:06:34,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:06:34,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:06:34,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:06:34,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:06:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 17:06:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:06:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:06:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:06:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:06:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:06:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:06:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:06:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:06:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:06:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:06:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:06:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:06:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:06:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:06:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:06:35,397 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:06:35,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:35 BoogieIcfgContainer [2018-11-18 17:06:35,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:06:35,398 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 17:06:35,398 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 17:06:35,407 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 17:06:35,407 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:35" (1/1) ... [2018-11-18 17:06:35,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:06:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-11-18 17:06:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-11-18 17:06:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 17:06:35,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-11-18 17:06:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-11-18 17:06:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 17:06:35,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:35,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-11-18 17:06:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-11-18 17:06:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 17:06:35,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:36,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2018-11-18 17:06:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2018-11-18 17:06:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:06:36,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 74 states and 107 transitions. [2018-11-18 17:06:36,758 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 107 transitions. [2018-11-18 17:06:36,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:06:36,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:36,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-11-18 17:06:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-11-18 17:06:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 17:06:37,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:37,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 99 states and 159 transitions. [2018-11-18 17:06:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 159 transitions. [2018-11-18 17:06:38,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 17:06:38,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 176 transitions. [2018-11-18 17:06:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 176 transitions. [2018-11-18 17:06:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:06:38,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 179 transitions. [2018-11-18 17:06:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 179 transitions. [2018-11-18 17:06:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 17:06:38,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 181 transitions. [2018-11-18 17:06:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2018-11-18 17:06:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 17:06:38,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 182 transitions. [2018-11-18 17:06:38,835 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 182 transitions. [2018-11-18 17:06:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 17:06:38,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:06:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:38,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 113 states and 184 transitions. [2018-11-18 17:06:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 184 transitions. [2018-11-18 17:06:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 17:06:38,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:38,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:06:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 116 states and 193 transitions. [2018-11-18 17:06:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2018-11-18 17:06:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 17:06:39,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:06:40,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 124 states and 205 transitions. [2018-11-18 17:06:40,170 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 205 transitions. [2018-11-18 17:06:40,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-18 17:06:40,171 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,296 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:06:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 131 states and 221 transitions. [2018-11-18 17:06:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2018-11-18 17:06:40,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 17:06:40,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:06:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 129 states and 217 transitions. [2018-11-18 17:06:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2018-11-18 17:06:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-18 17:06:40,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:06:40,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 133 states and 222 transitions. [2018-11-18 17:06:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 222 transitions. [2018-11-18 17:06:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 17:06:40,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:06:41,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:41,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 135 states and 227 transitions. [2018-11-18 17:06:41,257 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 227 transitions. [2018-11-18 17:06:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:06:41,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 17:06:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 139 states and 231 transitions. [2018-11-18 17:06:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 231 transitions. [2018-11-18 17:06:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:06:42,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:06:43,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:43,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 152 states and 259 transitions. [2018-11-18 17:06:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 259 transitions. [2018-11-18 17:06:43,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-18 17:06:43,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:06:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 166 states and 284 transitions. [2018-11-18 17:06:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 284 transitions. [2018-11-18 17:06:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-18 17:06:44,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 17:06:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 171 states and 289 transitions. [2018-11-18 17:06:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 289 transitions. [2018-11-18 17:06:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 17:06:44,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:06:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 172 states and 290 transitions. [2018-11-18 17:06:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 290 transitions. [2018-11-18 17:06:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:06:45,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 17:06:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 176 states and 298 transitions. [2018-11-18 17:06:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2018-11-18 17:06:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 17:06:45,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 17:06:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 174 states and 294 transitions. [2018-11-18 17:06:45,467 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 294 transitions. [2018-11-18 17:06:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 17:06:45,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 17:06:45,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:45,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 176 states and 298 transitions. [2018-11-18 17:06:45,667 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 298 transitions. [2018-11-18 17:06:45,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 17:06:45,668 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:06:46,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 183 states and 308 transitions. [2018-11-18 17:06:46,384 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 308 transitions. [2018-11-18 17:06:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:06:46,385 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:06:47,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 135 states and 197 transitions. [2018-11-18 17:06:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2018-11-18 17:06:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-18 17:06:47,239 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:06:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:47,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 137 states and 200 transitions. [2018-11-18 17:06:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 200 transitions. [2018-11-18 17:06:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:06:47,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:06:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 138 states and 201 transitions. [2018-11-18 17:06:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 201 transitions. [2018-11-18 17:06:47,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 17:06:47,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 17:06:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:06:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 17:06:47,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 17:06:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 59 states and 71 transitions. [2018-11-18 17:06:47,665 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 71 transitions. [2018-11-18 17:06:47,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:06:47,665 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-11-18 17:06:47,679 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 17:06:48,045 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 14 [2018-11-18 17:06:48,253 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,255 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,255 INFO L579 CodeCheckObserver]: Invariant with dag size 7 [2018-11-18 17:06:48,258 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,258 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,258 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,258 INFO L579 CodeCheckObserver]: Invariant with dag size 9 [2018-11-18 17:06:48,259 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,259 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,259 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,259 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,259 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:06:48,260 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,260 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,260 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 17:06:48,260 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 17:06:48,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 05:06:48 ImpRootNode [2018-11-18 17:06:48,261 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 17:06:48,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:06:48,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:06:48,261 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:06:48,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:06:35" (3/4) ... [2018-11-18 17:06:48,264 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:06:48,267 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:06:48,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:06:48,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:06:48,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:06:48,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:06:48,268 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:06:48,273 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2018-11-18 17:06:48,273 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:06:48,274 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:06:48,297 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == systemActive || !(0 == pumpRunning)) || \old(pumpRunning) == pumpRunning [2018-11-18 17:06:48,298 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) [2018-11-18 17:06:48,336 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_866cea3e-af90-4eaa-924e-86c664080d40/bin-2019/ukojak/witness.graphml [2018-11-18 17:06:48,336 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:06:48,337 INFO L168 Benchmark]: Toolchain (without parser) took 14477.12 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 178.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:48,338 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:06:48,338 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:48,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.28 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. [2018-11-18 17:06:48,338 INFO L168 Benchmark]: Boogie Preprocessor took 17.10 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:48,339 INFO L168 Benchmark]: RCFGBuilder took 1074.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.0 MB in the end (delta: 81.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:48,339 INFO L168 Benchmark]: CodeCheck took 12863.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 240.1 MB). Free memory was 997.0 MB in the beginning and 1.1 GB in the end (delta: -125.5 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:48,339 INFO L168 Benchmark]: Witness Printer took 75.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:06:48,343 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 76 locations, 1 error locations. SAFE Result, 12.2s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1184552516 SDtfs, -1842242452 SDslu, 2106771804 SDs, 0 SdLazy, -1888415300 SolverSat, 1514733876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12266 GetRequests, 11923 SyntacticMatches, 107 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23264 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1277 NumberOfCodeBlocks, 1277 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1247 ConstructedInterpolants, 0 QuantifiedInterpolants, 113446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 24 PerfectInterpolantSequences, 491/520 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 919]: 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: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(tmp == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (0 == systemActive || !(0 == pumpRunning)) || \old(pumpRunning) == pumpRunning - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || (!(0 == systemActive) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == pumpRunning) && tmp == systemActive) && tmp == 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 404.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.28 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 17.10 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1074.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.0 MB in the end (delta: 81.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 11.5 GB. * CodeCheck took 12863.22 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 240.1 MB). Free memory was 997.0 MB in the beginning and 1.1 GB in the end (delta: -125.5 MB). Peak memory consumption was 114.6 MB. Max. memory is 11.5 GB. * Witness Printer took 75.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...