./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:14:24,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:14:24,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:14:24,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:14:24,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:14:24,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:14:24,693 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:14:24,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:14:24,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:14:24,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:14:24,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:14:24,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:14:24,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:14:24,699 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:14:24,700 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:14:24,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:14:24,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:14:24,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:14:24,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:14:24,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:14:24,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:14:24,708 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:14:24,710 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:14:24,710 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:14:24,711 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:14:24,711 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:14:24,712 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:14:24,713 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:14:24,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:14:24,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:14:24,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:14:24,716 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:14:24,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:14:24,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:14:24,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:14:24,721 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:14:24,721 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:14:24,736 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:14:24,736 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:14:24,737 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:14:24,737 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:14:24,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:14:24,740 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:14:24,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:14:24,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:14:24,742 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:14:24,742 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:14:24,742 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:14:24,742 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:14:24,742 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:14:24,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:14:24,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:14:24,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:14:24,743 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:14:24,743 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:14:24,743 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:14:24,743 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:14:24,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:14:24,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:14:24,743 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_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2018-10-26 23:14:24,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:14:24,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:14:24,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:14:24,800 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:14:24,800 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:14:24,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-10-26 23:14:24,849 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/data/e9bb6daa2/0f5f8c31acc74f3ea9f796f10be019dc/FLAG42eba67a3 [2018-10-26 23:14:25,247 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:14:25,248 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-10-26 23:14:25,258 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/data/e9bb6daa2/0f5f8c31acc74f3ea9f796f10be019dc/FLAG42eba67a3 [2018-10-26 23:14:25,270 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/data/e9bb6daa2/0f5f8c31acc74f3ea9f796f10be019dc [2018-10-26 23:14:25,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:14:25,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:14:25,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:14:25,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:14:25,278 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:14:25,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6934edcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25, skipping insertion in model container [2018-10-26 23:14:25,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:14:25,327 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:14:25,540 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:14:25,549 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:14:25,626 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:14:25,652 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:14:25,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25 WrapperNode [2018-10-26 23:14:25,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:14:25,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:14:25,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:14:25,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:14:25,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:14:25,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:14:25,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:14:25,765 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:14:25,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... [2018-10-26 23:14:25,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:14:25,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:14:25,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:14:25,793 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:14:25,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:14:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/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 [2018-10-26 23:14:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:14:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 23:14:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 23:14:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 23:14:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 23:14:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 23:14:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 23:14:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 23:14:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 23:14:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 23:14:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 23:14:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 23:14:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 23:14:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:14:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:14:28,071 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:14:28,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:14:28 BoogieIcfgContainer [2018-10-26 23:14:28,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:14:28,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:14:28,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:14:28,086 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:14:28,086 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:14:28" (1/1) ... [2018-10-26 23:14:28,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:14:28,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2018-10-26 23:14:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2018-10-26 23:14:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:14:28,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2018-10-26 23:14:28,404 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2018-10-26 23:14:28,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 23:14:28,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:28,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:28,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2018-10-26 23:14:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2018-10-26 23:14:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:14:28,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2018-10-26 23:14:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2018-10-26 23:14:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:14:29,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 68 states and 93 transitions. [2018-10-26 23:14:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2018-10-26 23:14:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:14:29,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 79 states and 116 transitions. [2018-10-26 23:14:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 116 transitions. [2018-10-26 23:14:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:14:29,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 89 states and 134 transitions. [2018-10-26 23:14:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 134 transitions. [2018-10-26 23:14:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:14:30,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:30,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 135 transitions. [2018-10-26 23:14:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 135 transitions. [2018-10-26 23:14:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:14:30,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:14:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 91 states and 137 transitions. [2018-10-26 23:14:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 137 transitions. [2018-10-26 23:14:30,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 23:14:30,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:14:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 98 states and 150 transitions. [2018-10-26 23:14:31,237 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 150 transitions. [2018-10-26 23:14:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 23:14:31,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:14:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 96 states and 146 transitions. [2018-10-26 23:14:31,366 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 146 transitions. [2018-10-26 23:14:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 23:14:31,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:14:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:32,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 99 states and 152 transitions. [2018-10-26 23:14:32,835 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2018-10-26 23:14:32,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-26 23:14:32,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:32,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:33,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 23:14:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 115 states and 189 transitions. [2018-10-26 23:14:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2018-10-26 23:14:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 23:14:36,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:14:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 117 states and 194 transitions. [2018-10-26 23:14:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 194 transitions. [2018-10-26 23:14:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 23:14:37,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:37,357 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:14:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 196 transitions. [2018-10-26 23:14:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 196 transitions. [2018-10-26 23:14:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 23:14:38,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:38,904 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:14:40,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:40,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 129 states and 217 transitions. [2018-10-26 23:14:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 217 transitions. [2018-10-26 23:14:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:14:40,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:14:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 131 states and 221 transitions. [2018-10-26 23:14:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2018-10-26 23:14:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:14:40,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:14:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 249 transitions. [2018-10-26 23:14:42,322 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 249 transitions. [2018-10-26 23:14:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 23:14:42,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:14:42,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 147 states and 254 transitions. [2018-10-26 23:14:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 254 transitions. [2018-10-26 23:14:42,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 23:14:42,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 23:14:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:44,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 261 transitions. [2018-10-26 23:14:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2018-10-26 23:14:44,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 23:14:44,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:44,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 23:14:44,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 131 states and 204 transitions. [2018-10-26 23:14:44,703 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2018-10-26 23:14:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 23:14:44,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 23:14:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 133 states and 207 transitions. [2018-10-26 23:14:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 207 transitions. [2018-10-26 23:14:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 23:14:45,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 23:14:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 134 states and 208 transitions. [2018-10-26 23:14:45,983 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 208 transitions. [2018-10-26 23:14:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:14:45,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:14:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 151 states and 246 transitions. [2018-10-26 23:14:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 246 transitions. [2018-10-26 23:14:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 23:14:49,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:50,391 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:14:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:50,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 154 states and 249 transitions. [2018-10-26 23:14:50,676 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 249 transitions. [2018-10-26 23:14:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-26 23:14:50,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:14:52,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:52,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 162 states and 262 transitions. [2018-10-26 23:14:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2018-10-26 23:14:52,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-26 23:14:52,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:14:52,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 163 states and 263 transitions. [2018-10-26 23:14:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 263 transitions. [2018-10-26 23:14:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 23:14:52,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:52,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 23:14:52,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 157 states and 250 transitions. [2018-10-26 23:14:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 250 transitions. [2018-10-26 23:14:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 23:14:52,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 39 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 23:14:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 159 states and 255 transitions. [2018-10-26 23:14:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 255 transitions. [2018-10-26 23:14:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 23:14:53,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 43 proven. 32 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 23:14:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 161 states and 260 transitions. [2018-10-26 23:14:54,362 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 260 transitions. [2018-10-26 23:14:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 23:14:54,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 23:14:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 168 states and 271 transitions. [2018-10-26 23:14:56,198 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 271 transitions. [2018-10-26 23:14:56,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 23:14:56,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 49 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 23:14:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:57,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 169 states and 272 transitions. [2018-10-26 23:14:57,237 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 272 transitions. [2018-10-26 23:14:57,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 23:14:57,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 71 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 23:14:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 171 states and 275 transitions. [2018-10-26 23:14:57,541 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 275 transitions. [2018-10-26 23:14:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 23:14:57,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-26 23:14:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 172 states and 276 transitions. [2018-10-26 23:14:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 276 transitions. [2018-10-26 23:14:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 23:14:57,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:14:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:14:57,967 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-26 23:14:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:14:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 110 states and 158 transitions. [2018-10-26 23:14:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2018-10-26 23:14:58,460 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:14:58,460 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2018-10-26 23:14:58,477 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:14:59,523 WARN L179 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 15 [2018-10-26 23:14:59,545 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,548 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 23:14:59,552 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,552 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,552 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-10-26 23:14:59,554 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,554 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,554 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-10-26 23:14:59,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,558 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 23:14:59,559 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,559 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,560 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:14:59,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:14:59 ImpRootNode [2018-10-26 23:14:59,560 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:14:59,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:14:59,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:14:59,561 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:14:59,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:14:28" (3/4) ... [2018-10-26 23:14:59,568 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:14:59,575 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:14:59,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:14:59,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:14:59,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:14:59,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:14:59,577 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:14:59,585 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-10-26 23:14:59,585 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 23:14:59,586 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 23:14:59,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) [2018-10-26 23:14:59,619 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) [2018-10-26 23:14:59,620 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0))) || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) [2018-10-26 23:14:59,670 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b8e87aae-9cf4-4ca8-ab6b-966b43f187a3/bin-2019/ukojak/witness.graphml [2018-10-26 23:14:59,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:14:59,671 INFO L168 Benchmark]: Toolchain (without parser) took 34396.74 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.9 MB). Free memory was 954.4 MB in the beginning and 1.3 GB in the end (delta: -378.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,672 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:14:59,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 111.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,673 INFO L168 Benchmark]: Boogie Preprocessor took 27.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,673 INFO L168 Benchmark]: RCFGBuilder took 2279.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 96.3 MB). Peak memory consumption was 96.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,676 INFO L168 Benchmark]: CodeCheck took 31488.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -292.5 MB). Peak memory consumption was 398.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,676 INFO L168 Benchmark]: Witness Printer took 109.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:14:59,679 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, 112 locations, 1 error locations. SAFE Result, 30.3s OverallTime, 35 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142727716 SDtfs, 147200348 SDslu, -1197289796 SDs, 0 SdLazy, -1193745700 SolverSat, -1221102172 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17317 GetRequests, 16766 SyntacticMatches, 243 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49859 ImplicationChecksByTransitivity, 26.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 1803 NumberOfCodeBlocks, 1803 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1769 ConstructedInterpolants, 0 QuantifiedInterpolants, 248032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 18 PerfectInterpolantSequences, 1097/1330 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: 811]: 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: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || pumpRunning == \old(pumpRunning) - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 253]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) && !(0 == systemActive)) || !(0 == pumpRunning) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (tmp == methaneLevelCritical || (!(0 == pumpRunning) && !(tmp == 0))) || (!(pumpRunning == \old(pumpRunning)) && !(tmp == 0)) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.56 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 111.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -220.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2279.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 96.3 MB). Peak memory consumption was 96.3 MB. Max. memory is 11.5 GB. * CodeCheck took 31488.30 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 253.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -292.5 MB). Peak memory consumption was 398.3 MB. Max. memory is 11.5 GB. * Witness Printer took 109.51 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 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...