./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.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_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/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 49fa497f38e3a46185ee804b3f30fdc119cb200c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:48:27,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:48:27,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:48:27,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:48:27,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:48:27,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:48:27,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:48:27,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:48:27,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:48:27,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:48:27,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:48:27,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:48:27,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:48:27,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:48:27,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:48:27,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:48:27,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:48:27,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:48:27,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:48:27,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:48:27,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:48:27,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:48:27,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:48:27,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:48:27,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:48:27,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:48:27,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:48:27,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:48:27,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:48:27,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:48:27,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:48:27,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:48:27,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:48:27,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:48:27,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:48:27,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:48:27,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:48:27,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:48:27,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:48:27,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:48:27,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:48:27,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:48:27,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:48:27,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:48:27,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:48:27,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:48:27,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:48:27,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:48:27,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:48:27,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:48:27,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:48:27,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:48:27,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:48:27,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:48:27,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:48:27,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:48:27,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:48:27,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:48:27,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:48:27,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:48:27,695 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:48:27,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:48:27,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:48:27,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:48:27,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:48:27,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:48:27,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:48:27,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:48:27,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:48:27,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:48:27,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:48:27,698 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_7ec1bfba-cc72-4468-817b-3ee62614bc9e/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 -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2019-11-26 02:48:27,863 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:48:27,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:48:27,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:48:27,882 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:48:27,883 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:48:27,884 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2019-11-26 02:48:27,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/data/6147736ea/b65975e250784ac5ba8458101a572fb3/FLAGed3e6c211 [2019-11-26 02:48:28,410 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:48:28,410 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2019-11-26 02:48:28,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/data/6147736ea/b65975e250784ac5ba8458101a572fb3/FLAGed3e6c211 [2019-11-26 02:48:28,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/data/6147736ea/b65975e250784ac5ba8458101a572fb3 [2019-11-26 02:48:28,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:48:28,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:48:28,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:28,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:48:28,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:48:28,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:28" (1/1) ... [2019-11-26 02:48:28,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ccfaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:28, skipping insertion in model container [2019-11-26 02:48:28,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:48:28" (1/1) ... [2019-11-26 02:48:28,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:48:28,768 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:48:29,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:29,128 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:48:29,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:48:29,221 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:48:29,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29 WrapperNode [2019-11-26 02:48:29,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:48:29,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:29,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:48:29,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:48:29,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:48:29,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:48:29,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:48:29,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:48:29,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... [2019-11-26 02:48:29,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:48:29,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:48:29,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:48:29,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:48:29,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:48:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/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 02:48:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:48:29,380 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:48:29,380 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:48:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:48:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:48:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:48:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:48:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:48:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:48:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:48:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:48:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:48:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:48:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:48:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:48:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:48:30,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:48:30,453 INFO L284 CfgBuilder]: Removed 42 assume(true) statements. [2019-11-26 02:48:30,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:30 BoogieIcfgContainer [2019-11-26 02:48:30,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:48:30,454 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:48:30,454 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:48:30,467 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:48:30,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:30" (1/1) ... [2019-11-26 02:48:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:48:30,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:30,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2019-11-26 02:48:30,519 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2019-11-26 02:48:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:48:30,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:30,848 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 02:48:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2019-11-26 02:48:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2019-11-26 02:48:30,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:48:30,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:30,991 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 02:48:31,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:31,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-11-26 02:48:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-11-26 02:48:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:48:31,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:31,118 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 02:48:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2019-11-26 02:48:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2019-11-26 02:48:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:48:31,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:31,454 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 02:48:31,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2019-11-26 02:48:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2019-11-26 02:48:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:48:31,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:31,585 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 02:48:32,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2019-11-26 02:48:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2019-11-26 02:48:32,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:48:32,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:32,251 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 02:48:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2019-11-26 02:48:32,273 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2019-11-26 02:48:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:48:32,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:32,397 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 02:48:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 91 states and 151 transitions. [2019-11-26 02:48:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2019-11-26 02:48:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:48:33,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:33,109 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 02:48:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 92 states and 152 transitions. [2019-11-26 02:48:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 152 transitions. [2019-11-26 02:48:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:48:33,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:33,339 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 02:48:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 108 states and 184 transitions. [2019-11-26 02:48:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2019-11-26 02:48:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:48:35,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:35,450 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 02:48:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 193 transitions. [2019-11-26 02:48:35,834 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 193 transitions. [2019-11-26 02:48:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:48:35,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:35,899 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 02:48:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 113 states and 196 transitions. [2019-11-26 02:48:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 196 transitions. [2019-11-26 02:48:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:48:36,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:36,143 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 02:48:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 115 states and 198 transitions. [2019-11-26 02:48:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 198 transitions. [2019-11-26 02:48:36,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:48:36,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:36,277 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 02:48:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 119 states and 207 transitions. [2019-11-26 02:48:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 207 transitions. [2019-11-26 02:48:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:48:36,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:36,619 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 02:48:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 120 states and 208 transitions. [2019-11-26 02:48:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2019-11-26 02:48:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:48:36,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:36,664 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 02:48:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 121 states and 213 transitions. [2019-11-26 02:48:36,681 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 213 transitions. [2019-11-26 02:48:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:48:36,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:36,709 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 02:48:36,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:36,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 122 states and 214 transitions. [2019-11-26 02:48:36,740 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 214 transitions. [2019-11-26 02:48:36,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-26 02:48:36,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 235 transitions. [2019-11-26 02:48:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 235 transitions. [2019-11-26 02:48:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:48:37,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:37,925 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:37,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 128 states and 234 transitions. [2019-11-26 02:48:37,952 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 234 transitions. [2019-11-26 02:48:37,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-26 02:48:37,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:38,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:48:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 130 states and 235 transitions. [2019-11-26 02:48:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2019-11-26 02:48:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-26 02:48:38,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:48:39,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:39,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 133 states and 243 transitions. [2019-11-26 02:48:39,677 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 243 transitions. [2019-11-26 02:48:39,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:48:39,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:39,710 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:40,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:40,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 136 states and 250 transitions. [2019-11-26 02:48:40,239 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 250 transitions. [2019-11-26 02:48:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:48:40,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:40,273 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 02:48:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 140 states and 261 transitions. [2019-11-26 02:48:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 261 transitions. [2019-11-26 02:48:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:48:40,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:40,927 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 02:48:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 147 states and 272 transitions. [2019-11-26 02:48:41,410 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 272 transitions. [2019-11-26 02:48:41,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:48:41,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-26 02:48:41,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 148 states and 273 transitions. [2019-11-26 02:48:41,472 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 273 transitions. [2019-11-26 02:48:41,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-26 02:48:41,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:41,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:41,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 155 states and 292 transitions. [2019-11-26 02:48:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 292 transitions. [2019-11-26 02:48:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:48:41,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 157 states and 293 transitions. [2019-11-26 02:48:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 293 transitions. [2019-11-26 02:48:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:48:42,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:42,156 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 02:48:42,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:42,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 158 states and 294 transitions. [2019-11-26 02:48:42,185 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 294 transitions. [2019-11-26 02:48:42,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-26 02:48:42,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:42,228 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 02:48:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 159 states and 295 transitions. [2019-11-26 02:48:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 295 transitions. [2019-11-26 02:48:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-26 02:48:42,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:45,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 172 states and 329 transitions. [2019-11-26 02:48:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 329 transitions. [2019-11-26 02:48:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-26 02:48:45,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:45,527 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 173 states and 330 transitions. [2019-11-26 02:48:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 330 transitions. [2019-11-26 02:48:45,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:48:45,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 187 states and 368 transitions. [2019-11-26 02:48:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 368 transitions. [2019-11-26 02:48:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:48:48,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:48:50,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 192 states and 370 transitions. [2019-11-26 02:48:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 370 transitions. [2019-11-26 02:48:50,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-26 02:48:50,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 194 states and 373 transitions. [2019-11-26 02:48:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 373 transitions. [2019-11-26 02:48:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:48:50,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:50,902 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:48:52,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:52,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 196 states and 376 transitions. [2019-11-26 02:48:52,165 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 376 transitions. [2019-11-26 02:48:52,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:48:52,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:48:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 195 states and 369 transitions. [2019-11-26 02:48:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 369 transitions. [2019-11-26 02:48:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-26 02:48:52,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:48:53,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:48:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 196 states and 370 transitions. [2019-11-26 02:48:53,161 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 370 transitions. [2019-11-26 02:48:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-26 02:48:53,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:48:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:48:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:49:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:49:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 212 states and 412 transitions. [2019-11-26 02:49:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 412 transitions. [2019-11-26 02:49:00,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-26 02:49:00,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:49:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:49:00,461 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 38 iterations. [2019-11-26 02:49:00,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:49:00 ImpRootNode [2019-11-26 02:49:00,674 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:49:00,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:49:00,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:49:00,674 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:49:00,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:48:30" (3/4) ... [2019-11-26 02:49:00,677 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:49:00,802 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ec1bfba-cc72-4468-817b-3ee62614bc9e/bin/ukojak/witness.graphml [2019-11-26 02:49:00,803 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:49:00,805 INFO L168 Benchmark]: Toolchain (without parser) took 32091.52 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 555.7 MB). Free memory was 944.7 MB in the beginning and 1.3 GB in the end (delta: -359.3 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:00,805 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 02:49:00,806 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:00,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:00,806 INFO L168 Benchmark]: Boogie Preprocessor took 30.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:49:00,807 INFO L168 Benchmark]: RCFGBuilder took 1147.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:00,807 INFO L168 Benchmark]: CodeCheck took 30219.50 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 436.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -314.2 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:00,807 INFO L168 Benchmark]: Witness Printer took 128.77 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:49:00,809 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 7 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 29.9s, OverallIterations: 38, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -586798700 SDtfs, 1678402092 SDslu, 435812688 SDs, 0 SdLazy, -1229856054 SolverSat, -1263615426 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14084 GetRequests, 13639 SyntacticMatches, 49 SemanticMatches, 396 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75480 ImplicationChecksByTransitivity, 25.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1337 NumberOfCodeBlocks, 1337 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1249 ConstructedInterpolants, 0 QuantifiedInterpolants, 107813 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 31 PerfectInterpolantSequences, 298/316 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 - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L623] int retValue_acc ; [L624] int tmp ; [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) [L910] methAndRunningLastTime = 0 [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L849] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 [L849] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L859] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 [L859] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) [L688] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; [L127] int retValue_acc ; [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) [L716] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L837] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L822] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) [L688] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L927] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=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 508.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1147.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.2 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * CodeCheck took 30219.50 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 436.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -314.2 MB). Peak memory consumption was 122.0 MB. Max. memory is 11.5 GB. * Witness Printer took 128.77 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...