./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:26:27,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:26:27,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:26:27,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:26:27,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:26:27,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:26:27,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:26:27,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:26:27,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:26:27,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:26:27,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:26:27,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:26:27,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:26:27,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:26:27,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:26:27,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:26:27,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:26:27,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:26:27,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:26:27,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:26:27,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:26:27,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:26:27,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:26:27,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:26:27,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:26:27,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:26:27,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:26:27,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:26:27,678 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:26:27,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:26:27,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:26:27,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:26:27,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:26:27,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:26:27,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:26:27,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:26:27,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:26:27,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:26:27,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:26:27,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:26:27,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:26:27,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:26:27,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:26:27,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:26:27,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:26:27,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:26:27,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:26:27,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:26:27,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:26:27,705 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:26:27,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:26:27,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:26:27,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:26:27,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:26:27,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:26:27,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:26:27,707 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:26:27,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:26:27,707 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:26:27,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:26:27,707 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:26:27,708 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:26:27,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:26:27,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:26:27,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:26:27,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:26:27,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:26:27,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:26:27,709 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:26:27,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:26:27,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:26:27,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2019-11-26 02:26:27,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:26:27,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:26:27,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:26:27,930 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:26:27,930 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:26:27,931 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-26 02:26:27,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/data/f84a63cf3/6129c73be02a43228137591462d3fe94/FLAGa4ba60672 [2019-11-26 02:26:28,515 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:26:28,515 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2019-11-26 02:26:28,527 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/data/f84a63cf3/6129c73be02a43228137591462d3fe94/FLAGa4ba60672 [2019-11-26 02:26:28,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/data/f84a63cf3/6129c73be02a43228137591462d3fe94 [2019-11-26 02:26:28,780 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:26:28,781 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:26:28,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:26:28,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:26:28,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:26:28,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:26:28" (1/1) ... [2019-11-26 02:26:28,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140e3831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:28, skipping insertion in model container [2019-11-26 02:26:28,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:26:28" (1/1) ... [2019-11-26 02:26:28,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:26:28,852 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:26:29,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:26:29,276 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:26:29,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:26:29,391 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:26:29,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29 WrapperNode [2019-11-26 02:26:29,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:26:29,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:26:29,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:26:29,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:26:29,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,447 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:26:29,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:26:29,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:26:29,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:26:29,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... [2019-11-26 02:26:29,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:26:29,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:26:29,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:26:29,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:26:29,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:26:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:26:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:26:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:26:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:26:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:26:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:26:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:26:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:26:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:26:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:26:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:26:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:26:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:26:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:26:29,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:26:30,618 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:26:30,618 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:26:30,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:26:30 BoogieIcfgContainer [2019-11-26 02:26:30,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:26:30,620 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:26:30,620 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:26:30,632 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:26:30,634 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:26:30" (1/1) ... [2019-11-26 02:26:30,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:26:30,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2019-11-26 02:26:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2019-11-26 02:26:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:26:30,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2019-11-26 02:26:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2019-11-26 02:26:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:26:30,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:31,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2019-11-26 02:26:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-11-26 02:26:31,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:26:31,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:31,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:31,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2019-11-26 02:26:31,395 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2019-11-26 02:26:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:26:31,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:31,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:31,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2019-11-26 02:26:31,469 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2019-11-26 02:26:31,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:26:31,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:31,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:31,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 97 transitions. [2019-11-26 02:26:31,851 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 97 transitions. [2019-11-26 02:26:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:26:31,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:31,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 65 states and 98 transitions. [2019-11-26 02:26:31,917 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 98 transitions. [2019-11-26 02:26:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:26:31,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:32,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 129 transitions. [2019-11-26 02:26:32,718 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 129 transitions. [2019-11-26 02:26:32,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:26:32,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:32,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:32,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2019-11-26 02:26:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2019-11-26 02:26:32,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:26:32,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2019-11-26 02:26:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2019-11-26 02:26:32,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:26:32,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:33,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 135 transitions. [2019-11-26 02:26:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2019-11-26 02:26:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:26:33,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 151 transitions. [2019-11-26 02:26:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 151 transitions. [2019-11-26 02:26:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:26:33,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:33,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:33,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 94 states and 157 transitions. [2019-11-26 02:26:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 157 transitions. [2019-11-26 02:26:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:26:33,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:33,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 95 states and 158 transitions. [2019-11-26 02:26:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2019-11-26 02:26:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-26 02:26:33,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:34,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2019-11-26 02:26:34,910 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-11-26 02:26:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:26:34,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:26:34,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:34,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 185 transitions. [2019-11-26 02:26:34,966 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 185 transitions. [2019-11-26 02:26:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:26:34,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:34,996 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:26:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 110 states and 186 transitions. [2019-11-26 02:26:35,012 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2019-11-26 02:26:35,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:26:35,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:26:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 118 states and 214 transitions. [2019-11-26 02:26:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 214 transitions. [2019-11-26 02:26:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:26:36,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:26:36,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 118 states and 210 transitions. [2019-11-26 02:26:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 210 transitions. [2019-11-26 02:26:36,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:26:36,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:26:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 125 states and 228 transitions. [2019-11-26 02:26:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 228 transitions. [2019-11-26 02:26:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:26:37,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:26:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 261 transitions. [2019-11-26 02:26:40,682 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 261 transitions. [2019-11-26 02:26:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:26:40,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:26:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 262 transitions. [2019-11-26 02:26:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 262 transitions. [2019-11-26 02:26:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-26 02:26:40,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-26 02:26:40,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 139 states and 263 transitions. [2019-11-26 02:26:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 263 transitions. [2019-11-26 02:26:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:26:40,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:26:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:44,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 285 transitions. [2019-11-26 02:26:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 285 transitions. [2019-11-26 02:26:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:26:44,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:26:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 286 transitions. [2019-11-26 02:26:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 286 transitions. [2019-11-26 02:26:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:26:44,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:26:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 138 states and 265 transitions. [2019-11-26 02:26:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 265 transitions. [2019-11-26 02:26:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:26:44,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:44,681 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:26:44,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:44,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 142 states and 272 transitions. [2019-11-26 02:26:44,992 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 272 transitions. [2019-11-26 02:26:44,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:26:44,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:26:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 140 states and 268 transitions. [2019-11-26 02:26:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 268 transitions. [2019-11-26 02:26:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-26 02:26:45,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-26 02:26:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 138 states and 261 transitions. [2019-11-26 02:26:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 261 transitions. [2019-11-26 02:26:45,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-26 02:26:45,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-26 02:26:45,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 129 states and 244 transitions. [2019-11-26 02:26:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 244 transitions. [2019-11-26 02:26:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-26 02:26:45,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:45,516 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-26 02:26:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 134 states and 251 transitions. [2019-11-26 02:26:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 251 transitions. [2019-11-26 02:26:46,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-26 02:26:46,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:46,624 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-26 02:26:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 131 states and 245 transitions. [2019-11-26 02:26:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 245 transitions. [2019-11-26 02:26:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-26 02:26:47,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:47,049 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-26 02:26:47,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 247 transitions. [2019-11-26 02:26:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 247 transitions. [2019-11-26 02:26:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-26 02:26:47,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-26 02:26:47,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 133 states and 243 transitions. [2019-11-26 02:26:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2019-11-26 02:26:47,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-26 02:26:47,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:26:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:26:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-26 02:26:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:26:48,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 73 states and 110 transitions. [2019-11-26 02:26:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 110 transitions. [2019-11-26 02:26:48,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:26:48,523 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2019-11-26 02:26:48,536 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:26:48,945 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,949 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,949 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,949 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,950 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-26 02:26:48,954 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,954 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,955 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-26 02:26:48,955 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,956 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2019-11-26 02:26:48,957 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:26:48,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:26:48 ImpRootNode [2019-11-26 02:26:48,958 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:26:48,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:26:48,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:26:48,958 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:26:48,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:26:30" (3/4) ... [2019-11-26 02:26:48,963 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:26:48,967 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2019-11-26 02:26:48,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-26 02:26:48,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-26 02:26:48,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-26 02:26:48,968 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-26 02:26:48,977 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2019-11-26 02:26:48,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-11-26 02:26:48,978 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:26:48,979 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:26:48,979 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:26:48,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:26:48,981 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:26:49,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && waterLevel == systemActive)) || !(pumpRunning == 0)) || 0 == systemActive [2019-11-26 02:26:49,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) [2019-11-26 02:26:49,065 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8ac47411-10cb-4785-b099-5c738078d76f/bin/ukojak/witness.graphml [2019-11-26 02:26:49,066 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:26:49,068 INFO L168 Benchmark]: Toolchain (without parser) took 20286.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 210.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,068 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:26:49,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.49 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,070 INFO L168 Benchmark]: Boogie Preprocessor took 32.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,070 INFO L168 Benchmark]: RCFGBuilder took 1138.64 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,071 INFO L168 Benchmark]: CodeCheck took 18338.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -62.4 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,071 INFO L168 Benchmark]: Witness Printer took 107.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:26:49,074 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 17.8s, OverallIterations: 35, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1043541696 SDtfs, 791406262 SDslu, 1486725216 SDs, 0 SdLazy, -239975590 SolverSat, 1470795624 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13077 GetRequests, 12729 SyntacticMatches, 100 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28480 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1220 NumberOfCodeBlocks, 1220 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1186 ConstructedInterpolants, 0 QuantifiedInterpolants, 119564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 501/552 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: (!(!(0 == \old(pumpRunning)) || !(0 == waterLevel)) || (pumpRunning == \old(pumpRunning) && !(0 == systemActive))) || !(pumpRunning == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: (1 == systemActive && waterLevel == systemActive) && pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) || (!(1 == systemActive) && pumpRunning == \old(pumpRunning))) || (pumpRunning == \old(pumpRunning) && waterLevel == systemActive)) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.49 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1138.64 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: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * CodeCheck took 18338.10 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 220.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -62.4 MB). Peak memory consumption was 158.4 MB. Max. memory is 11.5 GB. * Witness Printer took 107.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...