./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.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_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/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 b18fc9f0044b48e81511337a91deb94a0dfeec26 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 00:38:12,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:38:12,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:38:12,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:38:12,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:38:12,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:38:12,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:38:12,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:38:12,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:38:12,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:38:12,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:38:12,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:38:12,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:38:12,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:38:12,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:38:12,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:38:12,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:38:12,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:38:12,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:38:12,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:38:12,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:38:12,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:38:12,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:38:12,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:38:12,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:38:12,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:38:12,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:38:12,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:38:12,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:38:12,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:38:12,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:38:12,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:38:12,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:38:12,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:38:12,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:38:12,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:38:12,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:38:12,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:38:12,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:38:12,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:38:12,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:38:12,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 00:38:12,718 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:38:12,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:38:12,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 00:38:12,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 00:38:12,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:38:12,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:38:12,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:38:12,720 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:38:12,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:38:12,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:38:12,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:38:12,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:38:12,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:38:12,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:38:12,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:38:12,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:38:12,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:38:12,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:38:12,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 00:38:12,722 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 00:38:12,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:38:12,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:38:12,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 00:38:12,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:38:12,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:38:12,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:38:12,723 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 00:38:12,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:38:12,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:38:12,724 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_8734808a-dde8-45f8-80c3-ca7714b78e3c/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 -> b18fc9f0044b48e81511337a91deb94a0dfeec26 [2019-11-20 00:38:12,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:38:12,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:38:12,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:38:12,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:38:12,893 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:38:12,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2019-11-20 00:38:12,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/data/88bae7746/9bd6a280e9594893a9ed6ad20f55b0cb/FLAGb9ed10530 [2019-11-20 00:38:13,433 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:38:13,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/sv-benchmarks/c/product-lines/minepump_spec1_product44.cil.c [2019-11-20 00:38:13,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/data/88bae7746/9bd6a280e9594893a9ed6ad20f55b0cb/FLAGb9ed10530 [2019-11-20 00:38:13,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/data/88bae7746/9bd6a280e9594893a9ed6ad20f55b0cb [2019-11-20 00:38:13,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:38:13,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:38:13,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:38:13,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:38:13,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:38:13,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:13,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308ca30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13, skipping insertion in model container [2019-11-20 00:38:13,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:13,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:38:13,516 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:38:13,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:38:13,838 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:38:13,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:38:13,935 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:38:13,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13 WrapperNode [2019-11-20 00:38:13,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:38:13,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:38:13,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:38:13,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:38:13,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:13,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:13,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:38:13,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:38:13,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:38:13,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:38:14,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... [2019-11-20 00:38:14,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:38:14,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:38:14,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:38:14,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:38:14,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:38:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/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 00:38:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:38:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 00:38:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 00:38:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 00:38:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 00:38:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 00:38:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 00:38:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 00:38:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 00:38:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 00:38:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 00:38:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:38:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 00:38:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 00:38:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:38:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:38:15,102 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:38:15,102 INFO L285 CfgBuilder]: Removed 44 assume(true) statements. [2019-11-20 00:38:15,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:38:15 BoogieIcfgContainer [2019-11-20 00:38:15,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:38:15,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 00:38:15,105 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 00:38:15,114 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 00:38:15,114 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:38:15" (1/1) ... [2019-11-20 00:38:15,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:38:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2019-11-20 00:38:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2019-11-20 00:38:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 00:38:15,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:15,436 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 00:38:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-20 00:38:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-20 00:38:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 00:38:15,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:15,522 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 00:38:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 50 states and 64 transitions. [2019-11-20 00:38:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2019-11-20 00:38:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 00:38:15,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:15,682 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 00:38:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:15,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 63 states and 90 transitions. [2019-11-20 00:38:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-20 00:38:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 00:38:15,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:16,081 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 00:38:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 73 states and 112 transitions. [2019-11-20 00:38:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2019-11-20 00:38:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:38:16,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:16,639 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 00:38:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 113 transitions. [2019-11-20 00:38:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 113 transitions. [2019-11-20 00:38:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 00:38:16,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:17,075 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 00:38:18,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 143 transitions. [2019-11-20 00:38:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 143 transitions. [2019-11-20 00:38:18,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 00:38:18,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:18,195 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 00:38:18,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:18,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 92 states and 147 transitions. [2019-11-20 00:38:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 147 transitions. [2019-11-20 00:38:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 00:38:18,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:18,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 94 states and 149 transitions. [2019-11-20 00:38:18,280 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2019-11-20 00:38:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 00:38:18,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:18,313 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 00:38:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 97 states and 156 transitions. [2019-11-20 00:38:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 156 transitions. [2019-11-20 00:38:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 00:38:18,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:18,499 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 00:38:18,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:18,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 100 states and 162 transitions. [2019-11-20 00:38:18,737 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 162 transitions. [2019-11-20 00:38:18,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 00:38:18,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:18,768 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 00:38:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 100 states and 161 transitions. [2019-11-20 00:38:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 161 transitions. [2019-11-20 00:38:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 00:38:18,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:19,022 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 00:38:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 189 transitions. [2019-11-20 00:38:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2019-11-20 00:38:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 00:38:20,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 121 states and 210 transitions. [2019-11-20 00:38:21,318 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 210 transitions. [2019-11-20 00:38:21,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 00:38:21,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:21,412 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 00:38:22,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:22,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 127 states and 227 transitions. [2019-11-20 00:38:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 227 transitions. [2019-11-20 00:38:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 00:38:22,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:22,333 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 00:38:22,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 130 states and 235 transitions. [2019-11-20 00:38:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 235 transitions. [2019-11-20 00:38:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 00:38:22,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:22,628 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 00:38:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 132 states and 238 transitions. [2019-11-20 00:38:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 238 transitions. [2019-11-20 00:38:22,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 00:38:22,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:22,919 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 00:38:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 135 states and 246 transitions. [2019-11-20 00:38:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 246 transitions. [2019-11-20 00:38:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-20 00:38:23,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:23,503 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 00:38:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 137 states and 247 transitions. [2019-11-20 00:38:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2019-11-20 00:38:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 00:38:23,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:23,800 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 00:38:24,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 139 states and 252 transitions. [2019-11-20 00:38:24,045 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 252 transitions. [2019-11-20 00:38:24,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 00:38:24,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:24,080 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 00:38:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 142 states and 260 transitions. [2019-11-20 00:38:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 260 transitions. [2019-11-20 00:38:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 00:38:24,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:26,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 150 states and 293 transitions. [2019-11-20 00:38:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 293 transitions. [2019-11-20 00:38:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 00:38:26,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 154 states and 298 transitions. [2019-11-20 00:38:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 298 transitions. [2019-11-20 00:38:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 00:38:27,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:29,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 159 states and 307 transitions. [2019-11-20 00:38:29,493 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 307 transitions. [2019-11-20 00:38:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 00:38:29,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:30,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 161 states and 314 transitions. [2019-11-20 00:38:30,457 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 314 transitions. [2019-11-20 00:38:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 00:38:30,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 00:38:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:30,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 159 states and 310 transitions. [2019-11-20 00:38:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 310 transitions. [2019-11-20 00:38:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 00:38:30,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 00:38:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 165 states and 324 transitions. [2019-11-20 00:38:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 324 transitions. [2019-11-20 00:38:32,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 00:38:32,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 00:38:32,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 167 states and 325 transitions. [2019-11-20 00:38:32,921 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 325 transitions. [2019-11-20 00:38:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 00:38:32,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 00:38:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 175 states and 349 transitions. [2019-11-20 00:38:37,519 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 349 transitions. [2019-11-20 00:38:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 00:38:37,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 00:38:41,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:41,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 188 states and 371 transitions. [2019-11-20 00:38:41,849 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 371 transitions. [2019-11-20 00:38:41,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-11-20 00:38:41,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 00:38:42,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 190 states and 372 transitions. [2019-11-20 00:38:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 372 transitions. [2019-11-20 00:38:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 00:38:42,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 00:38:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:42,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 191 states and 373 transitions. [2019-11-20 00:38:42,449 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 373 transitions. [2019-11-20 00:38:42,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 00:38:42,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:42,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 00:38:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 196 states and 382 transitions. [2019-11-20 00:38:42,971 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 382 transitions. [2019-11-20 00:38:42,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 00:38:42,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:38:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 00:38:43,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 00:38:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 198 states and 384 transitions. [2019-11-20 00:38:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 384 transitions. [2019-11-20 00:38:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 00:38:43,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 00:38:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:38:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:38:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:38:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:38:43,911 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 34 iterations. [2019-11-20 00:38:44,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 12:38:44 ImpRootNode [2019-11-20 00:38:44,136 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 00:38:44,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:38:44,137 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:38:44,137 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:38:44,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:38:15" (3/4) ... [2019-11-20 00:38:44,139 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 00:38:44,309 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8734808a-dde8-45f8-80c3-ca7714b78e3c/bin/ukojak/witness.graphml [2019-11-20 00:38:44,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:38:44,312 INFO L168 Benchmark]: Toolchain (without parser) took 30849.34 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 541.1 MB). Free memory was 944.7 MB in the beginning and 851.2 MB in the end (delta: 93.6 MB). Peak memory consumption was 634.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:38:44,312 INFO L168 Benchmark]: CDTParser took 0.19 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 00:38:44,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:38:44,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:38:44,313 INFO L168 Benchmark]: Boogie Preprocessor took 37.65 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 00:38:44,313 INFO L168 Benchmark]: RCFGBuilder took 1073.93 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: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:38:44,314 INFO L168 Benchmark]: CodeCheck took 29031.81 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 870.0 MB in the end (delta: 171.1 MB). Peak memory consumption was 563.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:38:44,314 INFO L168 Benchmark]: Witness Printer took 173.35 ms. Allocated memory is still 1.6 GB. Free memory was 870.0 MB in the beginning and 851.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:38:44,316 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, 48 locations, 1 error locations. Result: UNSAFE, OverallTime: 28.7s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1542545168 SDtfs, -1173389484 SDslu, 93961204 SDs, 0 SdLazy, 1002964496 SolverSat, 1823275792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13689 GetRequests, 13075 SyntacticMatches, 244 SemanticMatches, 370 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69538 ImplicationChecksByTransitivity, 24.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1205 NumberOfCodeBlocks, 1205 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1120 ConstructedInterpolants, 0 QuantifiedInterpolants, 141052 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 20 PerfectInterpolantSequences, 191/311 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: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; [L924] int retValue_acc ; [L925] int tmp ; [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] return (retValue_acc); [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L443] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L711] COND TRUE waterLevel < 2 [L712] waterLevel = waterLevel + 1 [L443] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___2) [L687] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L478] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L513] COND TRUE \read(systemActive) [L535] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] COND TRUE ! pumpRunning [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; [L773] int retValue_acc ; [L776] COND FALSE !(waterLevel < 2) [L780] retValue_acc = 0 [L781] return (retValue_acc); [L656] tmp = isHighWaterSensorDry() [L658] COND FALSE !(\read(tmp)) [L661] tmp___0 = 1 [L663] retValue_acc = tmp___0 [L664] return (retValue_acc); [L540] tmp = isHighWaterLevel() [L542] COND TRUE \read(tmp) [L569] int tmp ; [L594] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L598] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] retValue_acc = isMethaneLevelCritical() [L600] return (retValue_acc); [L573] tmp = isMethaneAlarm() [L575] COND FALSE !(\read(tmp)) [L563] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE !(\read(tmp)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L478] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L431] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L453] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L723] COND FALSE !(\read(methaneLevelCritical)) [L726] methaneLevelCritical = 1 [L453] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___2) [L687] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L478] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] COND TRUE \read(pumpRunning) [L699] COND TRUE waterLevel > 0 [L700] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L513] COND TRUE \read(systemActive) [L535] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L538] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L553] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] tmp = isMethaneLevelCritical() [L795] COND TRUE \read(tmp) [L605] int retValue_acc ; [L608] retValue_acc = pumpRunning [L609] return (retValue_acc); [L797] tmp___0 = isPumpRunning() [L799] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L44] __VERIFIER_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 472.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.65 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. * RCFGBuilder took 1073.93 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: 76.2 MB). Peak memory consumption was 76.2 MB. Max. memory is 11.5 GB. * CodeCheck took 29031.81 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 870.0 MB in the end (delta: 171.1 MB). Peak memory consumption was 563.8 MB. Max. memory is 11.5 GB. * Witness Printer took 173.35 ms. Allocated memory is still 1.6 GB. Free memory was 870.0 MB in the beginning and 851.2 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...