./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:37:43,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:37:43,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:37:43,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:37:43,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:37:43,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:37:43,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:37:43,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:37:43,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:37:43,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:37:43,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:37:43,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:37:43,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:37:43,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:37:43,587 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:37:43,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:37:43,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:37:43,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:37:43,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:37:43,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:37:43,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:37:43,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:37:43,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:37:43,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:37:43,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:37:43,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:37:43,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:37:43,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:37:43,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:37:43,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:37:43,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:37:43,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:37:43,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:37:43,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:37:43,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:37:43,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:37:43,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:37:43,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:37:43,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:37:43,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:37:43,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:37:43,622 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:37:43,648 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:37:43,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:37:43,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:37:43,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:37:43,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:37:43,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:37:43,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:37:43,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:37:43,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:37:43,651 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:37:43,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:37:43,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:37:43,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:37:43,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:37:43,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:37:43,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:37:43,653 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:37:43,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:37:43,653 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:37:43,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:37:43,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:37:43,654 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:37:43,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:37:43,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:37:43,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:37:43,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:37:43,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:37:43,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:37:43,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:37:43,655 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_5a51121c-d972-4b9b-9125-e5aac776bdc9/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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-11-20 01:37:43,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:37:43,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:37:43,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:37:43,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:37:43,817 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:37:43,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-11-20 01:37:43,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/data/5009af8c6/e3bf085c25d84fcd832e54cef209324c/FLAG2224501f1 [2019-11-20 01:37:44,388 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:37:44,391 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-11-20 01:37:44,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/data/5009af8c6/e3bf085c25d84fcd832e54cef209324c/FLAG2224501f1 [2019-11-20 01:37:44,663 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/data/5009af8c6/e3bf085c25d84fcd832e54cef209324c [2019-11-20 01:37:44,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:37:44,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:37:44,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:37:44,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:37:44,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:37:44,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:37:44" (1/1) ... [2019-11-20 01:37:44,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a77e80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:44, skipping insertion in model container [2019-11-20 01:37:44,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:37:44" (1/1) ... [2019-11-20 01:37:44,681 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:37:44,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:37:45,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:37:45,098 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:37:45,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:37:45,204 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:37:45,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45 WrapperNode [2019-11-20 01:37:45,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:37:45,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:37:45,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:37:45,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:37:45,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:37:45,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:37:45,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:37:45,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:37:45,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... [2019-11-20 01:37:45,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:37:45,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:37:45,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:37:45,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:37:45,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:37:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/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 [2019-11-20 01:37:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:37:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 01:37:45,385 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 01:37:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 01:37:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 01:37:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 01:37:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 01:37:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 01:37:45,386 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 01:37:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 01:37:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-20 01:37:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-20 01:37:45,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-20 01:37:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:37:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 01:37:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 01:37:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:37:45,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:37:46,513 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:37:46,513 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-20 01:37:46,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:37:46 BoogieIcfgContainer [2019-11-20 01:37:46,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:37:46,515 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:37:46,516 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:37:46,528 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:37:46,528 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:37:46" (1/1) ... [2019-11-20 01:37:46,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:37:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:46,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2019-11-20 01:37:46,582 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2019-11-20 01:37:46,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 01:37:46,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2019-11-20 01:37:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2019-11-20 01:37:46,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 01:37:46,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-11-20 01:37:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-11-20 01:37:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 01:37:47,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:47,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:47,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2019-11-20 01:37:47,342 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2019-11-20 01:37:47,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:37:47,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:47,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 78 states and 118 transitions. [2019-11-20 01:37:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2019-11-20 01:37:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 01:37:48,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:48,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 86 states and 132 transitions. [2019-11-20 01:37:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 132 transitions. [2019-11-20 01:37:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 01:37:48,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 101 states and 167 transitions. [2019-11-20 01:37:49,885 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 167 transitions. [2019-11-20 01:37:49,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 01:37:49,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2019-11-20 01:37:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2019-11-20 01:37:50,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 01:37:50,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:37:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 108 states and 177 transitions. [2019-11-20 01:37:50,326 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2019-11-20 01:37:50,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 01:37:50,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:37:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 113 states and 187 transitions. [2019-11-20 01:37:50,571 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 187 transitions. [2019-11-20 01:37:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:37:50,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:37:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:50,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 114 states and 188 transitions. [2019-11-20 01:37:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 188 transitions. [2019-11-20 01:37:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 01:37:50,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:37:51,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:51,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 117 states and 196 transitions. [2019-11-20 01:37:51,747 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 196 transitions. [2019-11-20 01:37:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:37:51,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:37:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:52,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 212 transitions. [2019-11-20 01:37:52,267 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 212 transitions. [2019-11-20 01:37:52,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 01:37:52,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:37:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 208 transitions. [2019-11-20 01:37:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2019-11-20 01:37:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 01:37:52,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:52,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:37:53,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:53,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 129 states and 223 transitions. [2019-11-20 01:37:53,099 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 223 transitions. [2019-11-20 01:37:53,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 01:37:53,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:37:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 132 states and 226 transitions. [2019-11-20 01:37:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 226 transitions. [2019-11-20 01:37:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 01:37:53,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:53,511 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:37:55,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 143 states and 256 transitions. [2019-11-20 01:37:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 256 transitions. [2019-11-20 01:37:55,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 01:37:55,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 01:37:55,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:55,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 145 states and 261 transitions. [2019-11-20 01:37:55,434 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2019-11-20 01:37:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 01:37:55,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:55,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:37:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:57,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 157 states and 287 transitions. [2019-11-20 01:37:57,089 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 287 transitions. [2019-11-20 01:37:57,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-20 01:37:57,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:37:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:57,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 288 transitions. [2019-11-20 01:37:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 288 transitions. [2019-11-20 01:37:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 01:37:57,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 01:37:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:57,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 162 states and 295 transitions. [2019-11-20 01:37:57,459 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 295 transitions. [2019-11-20 01:37:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:37:57,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:37:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:57,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 164 states and 296 transitions. [2019-11-20 01:37:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2019-11-20 01:37:57,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-20 01:37:57,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 01:37:58,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 168 states and 306 transitions. [2019-11-20 01:37:58,273 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 306 transitions. [2019-11-20 01:37:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-20 01:37:58,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 01:37:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:58,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 169 states and 307 transitions. [2019-11-20 01:37:58,475 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 307 transitions. [2019-11-20 01:37:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-20 01:37:58,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 01:37:58,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:58,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 167 states and 303 transitions. [2019-11-20 01:37:58,537 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 303 transitions. [2019-11-20 01:37:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-20 01:37:58,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 01:37:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:37:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 169 states and 307 transitions. [2019-11-20 01:37:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 307 transitions. [2019-11-20 01:37:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 01:37:58,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:37:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:37:59,123 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:38:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 177 states and 319 transitions. [2019-11-20 01:38:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 319 transitions. [2019-11-20 01:38:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 01:38:00,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 01:38:00,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 179 states and 322 transitions. [2019-11-20 01:38:00,776 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 322 transitions. [2019-11-20 01:38:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 01:38:00,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 25 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 01:38:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 182 states and 323 transitions. [2019-11-20 01:38:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 323 transitions. [2019-11-20 01:38:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 01:38:01,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 01:38:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 184 states and 326 transitions. [2019-11-20 01:38:01,409 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 326 transitions. [2019-11-20 01:38:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 01:38:01,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-20 01:38:01,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:01,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 185 states and 327 transitions. [2019-11-20 01:38:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 327 transitions. [2019-11-20 01:38:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 01:38:01,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 01:38:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 133 states and 205 transitions. [2019-11-20 01:38:02,701 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 205 transitions. [2019-11-20 01:38:02,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 01:38:02,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 01:38:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:02,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 134 states and 206 transitions. [2019-11-20 01:38:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2019-11-20 01:38:02,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 01:38:02,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:38:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:38:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 01:38:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:38:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 53 states and 65 transitions. [2019-11-20 01:38:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-11-20 01:38:02,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:38:02,851 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-11-20 01:38:02,862 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:38:03,198 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,204 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,204 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,205 INFO L569 CodeCheckObserver]: Invariant with dag size 11 [2019-11-20 01:38:03,209 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,209 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-11-20 01:38:03,210 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,210 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,210 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,210 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-11-20 01:38:03,211 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,211 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:38:03,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:38:03 ImpRootNode [2019-11-20 01:38:03,212 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:38:03,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:38:03,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:38:03,212 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:38:03,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:37:46" (3/4) ... [2019-11-20 01:38:03,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:38:03,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2019-11-20 01:38:03,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2019-11-20 01:38:03,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2019-11-20 01:38:03,221 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2019-11-20 01:38:03,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2019-11-20 01:38:03,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2019-11-20 01:38:03,222 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2019-11-20 01:38:03,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2019-11-20 01:38:03,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-20 01:38:03,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 01:38:03,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:38:03,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:38:03,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:38:03,256 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) [2019-11-20 01:38:03,296 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5a51121c-d972-4b9b-9125-e5aac776bdc9/bin/ukojak/witness.graphml [2019-11-20 01:38:03,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:38:03,298 INFO L168 Benchmark]: Toolchain (without parser) took 18631.99 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 315.6 MB). Free memory was 946.1 MB in the beginning and 960.4 MB in the end (delta: -14.2 MB). Peak memory consumption was 301.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:03,299 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:38:03,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:03,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:38:03,300 INFO L168 Benchmark]: Boogie Preprocessor took 32.60 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. [2019-11-20 01:38:03,300 INFO L168 Benchmark]: RCFGBuilder took 1218.49 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:03,301 INFO L168 Benchmark]: CodeCheck took 16696.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 972.7 MB in the end (delta: 69.5 MB). Peak memory consumption was 249.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:03,301 INFO L168 Benchmark]: Witness Printer took 84.56 ms. Allocated memory is still 1.3 GB. Free memory was 972.7 MB in the beginning and 960.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2019-11-20 01:38:03,304 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 16.3s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1429630668 SDtfs, 39670804 SDslu, 1444199212 SDs, 0 SdLazy, -927100284 SolverSat, 791850372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15042 GetRequests, 14698 SyntacticMatches, 104 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23722 ImplicationChecksByTransitivity, 12.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1470 NumberOfCodeBlocks, 1470 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1437 ConstructedInterpolants, 0 QuantifiedInterpolants, 131082 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 22 PerfectInterpolantSequences, 562/617 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: 130]: 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: 690]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && tmp == systemActive) && 1 == tmp) && pumpRunning == 0 - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || 0 == systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: methaneLevelCritical == tmp || !(0 == tmp) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 538.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.60 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 1218.49 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: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * CodeCheck took 16696.38 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 972.7 MB in the end (delta: 69.5 MB). Peak memory consumption was 249.4 MB. Max. memory is 11.5 GB. * Witness Printer took 84.56 ms. Allocated memory is still 1.3 GB. Free memory was 972.7 MB in the beginning and 960.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...