./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_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_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:46:01,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:46:01,802 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:46:01,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:46:01,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:46:01,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:46:01,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:46:01,814 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:46:01,815 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:46:01,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:46:01,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:46:01,817 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:46:01,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:46:01,818 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:46:01,819 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:46:01,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:46:01,821 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:46:01,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:46:01,824 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:46:01,825 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:46:01,826 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:46:01,827 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:46:01,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:46:01,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:46:01,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:46:01,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:46:01,831 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:46:01,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:46:01,832 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:46:01,833 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:46:01,833 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:46:01,834 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:46:01,834 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:46:01,834 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:46:01,835 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:46:01,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:46:01,835 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 03:46:01,847 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:46:01,848 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:46:01,848 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:46:01,848 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 03:46:01,849 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 03:46:01,849 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 03:46:01,849 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:46:01,850 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:46:01,850 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:46:01,850 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:46:01,850 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:46:01,850 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:46:01,850 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:46:01,851 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:46:01,851 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:46:01,851 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:46:01,851 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:46:01,851 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 03:46:01,851 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 03:46:01,852 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:46:01,852 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:46:01,852 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 03:46:01,852 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:46:01,852 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:46:01,852 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:46:01,852 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 03:46:01,852 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:46:01,853 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:46:01,853 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_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-11-10 03:46:01,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:46:01,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:46:01,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:46:01,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:46:01,893 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:46:01,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:01,935 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/data/18ad745d6/d5d87c89501b46aea5686bc3dfdbf949/FLAG7345fcea8 [2018-11-10 03:46:02,299 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:46:02,300 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-10 03:46:02,308 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/data/18ad745d6/d5d87c89501b46aea5686bc3dfdbf949/FLAG7345fcea8 [2018-11-10 03:46:02,318 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/data/18ad745d6/d5d87c89501b46aea5686bc3dfdbf949 [2018-11-10 03:46:02,321 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:46:02,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:46:02,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:02,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:46:02,327 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:46:02,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02, skipping insertion in model container [2018-11-10 03:46:02,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:46:02,374 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:46:02,586 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:02,596 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:46:02,659 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:46:02,678 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:46:02,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02 WrapperNode [2018-11-10 03:46:02,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:46:02,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:02,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:46:02,680 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:46:02,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:46:02,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:46:02,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:46:02,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:46:02,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... [2018-11-10 03:46:02,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:46:02,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:46:02,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:46:02,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:46:02,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:46:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/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 [2018-11-10 03:46:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 03:46:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:46:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:46:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:46:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:46:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:46:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:46:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:46:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:46:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:46:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:46:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:46:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:46:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:46:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:46:04,266 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:46:04,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:04 BoogieIcfgContainer [2018-11-10 03:46:04,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:46:04,267 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 03:46:04,267 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 03:46:04,275 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 03:46:04,275 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:04" (1/1) ... [2018-11-10 03:46:04,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:46:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2018-11-10 03:46:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2018-11-10 03:46:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 03:46:04,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2018-11-10 03:46:04,488 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2018-11-10 03:46:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 03:46:04,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:04,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-11-10 03:46:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-11-10 03:46:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 03:46:04,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:04,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 60 states and 81 transitions. [2018-11-10 03:46:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2018-11-10 03:46:04,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 03:46:04,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:04,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 69 states and 96 transitions. [2018-11-10 03:46:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2018-11-10 03:46:05,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:46:05,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:05,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2018-11-10 03:46:05,193 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2018-11-10 03:46:05,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 03:46:05,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 71 states and 98 transitions. [2018-11-10 03:46:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2018-11-10 03:46:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 03:46:05,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 88 states and 130 transitions. [2018-11-10 03:46:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2018-11-10 03:46:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 03:46:05,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 104 states and 168 transitions. [2018-11-10 03:46:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 168 transitions. [2018-11-10 03:46:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:46:06,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:06,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:06,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 180 transitions. [2018-11-10 03:46:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2018-11-10 03:46:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 03:46:06,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 111 states and 181 transitions. [2018-11-10 03:46:07,003 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 181 transitions. [2018-11-10 03:46:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:46:07,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 112 states and 182 transitions. [2018-11-10 03:46:07,056 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 182 transitions. [2018-11-10 03:46:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 03:46:07,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 113 states and 183 transitions. [2018-11-10 03:46:07,121 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 183 transitions. [2018-11-10 03:46:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 03:46:07,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 124 states and 208 transitions. [2018-11-10 03:46:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 208 transitions. [2018-11-10 03:46:07,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 03:46:07,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 125 states and 210 transitions. [2018-11-10 03:46:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 210 transitions. [2018-11-10 03:46:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 03:46:07,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,715 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 126 states and 213 transitions. [2018-11-10 03:46:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 213 transitions. [2018-11-10 03:46:07,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 03:46:07,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 127 states and 216 transitions. [2018-11-10 03:46:07,784 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 216 transitions. [2018-11-10 03:46:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 03:46:07,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 131 states and 221 transitions. [2018-11-10 03:46:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 221 transitions. [2018-11-10 03:46:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 03:46:07,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:07,974 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:07,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:08,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 223 transitions. [2018-11-10 03:46:08,000 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 223 transitions. [2018-11-10 03:46:08,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:46:08,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 145 states and 261 transitions. [2018-11-10 03:46:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2018-11-10 03:46:08,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 03:46:08,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 148 states and 265 transitions. [2018-11-10 03:46:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 265 transitions. [2018-11-10 03:46:08,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 03:46:08,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:10,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 157 states and 288 transitions. [2018-11-10 03:46:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 288 transitions. [2018-11-10 03:46:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 03:46:10,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,343 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 03:46:10,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 160 states and 290 transitions. [2018-11-10 03:46:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 290 transitions. [2018-11-10 03:46:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:46:10,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 161 states and 291 transitions. [2018-11-10 03:46:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 291 transitions. [2018-11-10 03:46:10,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 03:46:10,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 162 states and 292 transitions. [2018-11-10 03:46:10,603 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 292 transitions. [2018-11-10 03:46:10,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 03:46:10,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-10 03:46:10,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 163 states and 289 transitions. [2018-11-10 03:46:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2018-11-10 03:46:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 03:46:10,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:10,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:11,027 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:46:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 166 states and 294 transitions. [2018-11-10 03:46:11,649 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 294 transitions. [2018-11-10 03:46:11,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 03:46:11,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:11,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 03:46:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 167 states and 293 transitions. [2018-11-10 03:46:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 293 transitions. [2018-11-10 03:46:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 03:46:12,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:46:12,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:12,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 169 states and 296 transitions. [2018-11-10 03:46:12,995 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2018-11-10 03:46:12,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 03:46:12,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 03:46:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 136 states and 227 transitions. [2018-11-10 03:46:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 227 transitions. [2018-11-10 03:46:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 03:46:13,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 03:46:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 141 states and 234 transitions. [2018-11-10 03:46:13,321 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 234 transitions. [2018-11-10 03:46:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 03:46:13,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,344 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 03:46:13,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 130 states and 211 transitions. [2018-11-10 03:46:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 211 transitions. [2018-11-10 03:46:13,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:46:13,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 03:46:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 128 states and 207 transitions. [2018-11-10 03:46:13,416 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 207 transitions. [2018-11-10 03:46:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 03:46:13,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 03:46:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:46:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-10 03:46:13,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 03:46:13,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 79 states and 118 transitions. [2018-11-10 03:46:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-11-10 03:46:13,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:46:13,478 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2018-11-10 03:46:13,489 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 03:46:13,706 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,709 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,709 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,709 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 03:46:13,713 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,713 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,713 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,713 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,713 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,713 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,714 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 03:46:13,714 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,714 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,714 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,714 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,715 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 03:46:13,715 INFO L582 CodeCheckObserver]: Invariant with dag size 11 [2018-11-10 03:46:13,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 03:46:13 ImpRootNode [2018-11-10 03:46:13,715 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 03:46:13,716 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:46:13,716 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:46:13,716 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:46:13,717 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:46:04" (3/4) ... [2018-11-10 03:46:13,719 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:46:13,725 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:46:13,725 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:46:13,725 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:46:13,725 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:46:13,725 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:46:13,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:46:13,731 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2018-11-10 03:46:13,731 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 03:46:13,732 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 03:46:13,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) [2018-11-10 03:46:13,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(waterLevel) == waterLevel || !(1 == waterLevel)) || !(0 == pumpRunning) [2018-11-10 03:46:13,795 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_be9e4669-8ff5-466c-b0b5-57f1b5daefaa/bin-2019/ukojak/witness.graphml [2018-11-10 03:46:13,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:46:13,796 INFO L168 Benchmark]: Toolchain (without parser) took 11474.27 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.7 MB). Free memory was 960.8 MB in the beginning and 983.3 MB in the end (delta: -22.5 MB). Peak memory consumption was 240.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,797 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:46:13,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.98 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,797 INFO L168 Benchmark]: Boogie Preprocessor took 29.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,797 INFO L168 Benchmark]: RCFGBuilder took 1458.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,798 INFO L168 Benchmark]: CodeCheck took 9448.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 121.6 MB). Free memory was 1.0 GB in the beginning and 991.1 MB in the end (delta: 33.4 MB). Peak memory consumption was 155.0 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,798 INFO L168 Benchmark]: Witness Printer took 79.34 ms. Allocated memory is still 1.3 GB. Free memory was 991.1 MB in the beginning and 983.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:46:13,801 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, 115 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -287532020 SDtfs, 2086867836 SDslu, -237729204 SDs, 0 SdLazy, -1427322404 SolverSat, 1256679180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10797 GetRequests, 10417 SyntacticMatches, 176 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19853 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1098 NumberOfCodeBlocks, 1098 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1065 ConstructedInterpolants, 0 QuantifiedInterpolants, 97063 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 28 PerfectInterpolantSequences, 296/317 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: 44]: 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: 881]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && \old(pumpRunning) == pumpRunning) || !(0 == pumpRunning)) || ((!(1 == waterLevel) && !(systemActive == 0)) && \old(pumpRunning) == pumpRunning) - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (\old(waterLevel) == waterLevel || !(1 == waterLevel)) || !(0 == pumpRunning) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 872]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((tmp == systemActive && tmp == 1) && 0 == pumpRunning) && 1 == waterLevel * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.98 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 936.6 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 98.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -201.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1458.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.5 MB). Peak memory consumption was 110.5 MB. Max. memory is 11.5 GB. * CodeCheck took 9448.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 121.6 MB). Free memory was 1.0 GB in the beginning and 991.1 MB in the end (delta: 33.4 MB). Peak memory consumption was 155.0 MB. Max. memory is 11.5 GB. * Witness Printer took 79.34 ms. Allocated memory is still 1.3 GB. Free memory was 991.1 MB in the beginning and 983.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...