./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.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_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/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 3e754f75ca06d39e1069a0bad88498ddd2436bb7 ................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:59:46,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:59:46,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:59:46,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:59:46,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:59:46,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:59:46,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:59:46,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:59:46,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:59:46,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:59:46,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:59:46,776 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:59:46,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:59:46,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:59:46,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:59:46,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:59:46,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:59:46,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:59:46,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:59:46,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:59:46,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:59:46,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:59:46,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:59:46,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:59:46,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:59:46,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:59:46,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:59:46,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:59:46,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:59:46,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:59:46,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:59:46,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:59:46,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:59:46,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:59:46,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:59:46,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:59:46,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:59:46,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:59:46,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:59:46,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:59:46,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:59:46,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:59:46,844 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:59:46,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:59:46,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:59:46,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:59:46,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:59:46,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:59:46,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:59:46,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:59:46,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:59:46,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:59:46,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:59:46,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:59:46,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:59:46,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:59:46,857 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:59:46,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:59:46,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:59:46,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:59:46,858 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:59:46,859 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:59:46,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:59:46,860 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:59:46,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:59:46,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:59:46,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:59:46,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:59:46,861 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:59:46,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:59:46,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:59:46,862 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_b26f52d3-313a-45fd-8865-aa056ed1f46c/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 -> 3e754f75ca06d39e1069a0bad88498ddd2436bb7 [2019-11-20 06:59:47,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:59:47,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:59:47,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:59:47,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:59:47,070 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:59:47,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-11-20 06:59:47,139 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/data/187392410/1e22d98cc6384e5d8d2c57db1a7246a7/FLAG70035dc45 [2019-11-20 06:59:47,511 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:59:47,512 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/sv-benchmarks/c/product-lines/minepump_spec1_product33.cil.c [2019-11-20 06:59:47,524 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/data/187392410/1e22d98cc6384e5d8d2c57db1a7246a7/FLAG70035dc45 [2019-11-20 06:59:47,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/data/187392410/1e22d98cc6384e5d8d2c57db1a7246a7 [2019-11-20 06:59:47,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:59:47,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:59:47,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:47,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:59:47,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:59:47,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:47" (1/1) ... [2019-11-20 06:59:47,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b0a3a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:47, skipping insertion in model container [2019-11-20 06:59:47,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:59:47" (1/1) ... [2019-11-20 06:59:47,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:59:47,923 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:59:48,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:48,298 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:59:48,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:59:48,440 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:59:48,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48 WrapperNode [2019-11-20 06:59:48,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:59:48,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:48,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:59:48,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:59:48,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:59:48,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:59:48,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:59:48,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:59:48,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... [2019-11-20 06:59:48,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:59:48,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:59:48,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:59:48,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:59:48,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:59:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/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 06:59:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 06:59:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-20 06:59:48,614 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-20 06:59:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-20 06:59:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-20 06:59:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-20 06:59:48,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-20 06:59:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-20 06:59:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-20 06:59:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-20 06:59:48,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-20 06:59:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 06:59:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-20 06:59:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-20 06:59:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:59:48,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:59:49,685 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:59:49,686 INFO L285 CfgBuilder]: Removed 34 assume(true) statements. [2019-11-20 06:59:49,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:49 BoogieIcfgContainer [2019-11-20 06:59:49,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:59:49,688 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:59:49,688 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:59:49,699 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:59:49,700 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:49" (1/1) ... [2019-11-20 06:59:49,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:59:49,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:49,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2019-11-20 06:59:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2019-11-20 06:59:49,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 06:59:49,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:50,095 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 06:59:50,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 46 states and 58 transitions. [2019-11-20 06:59:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2019-11-20 06:59:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 06:59:50,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:50,215 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 06:59:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2019-11-20 06:59:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2019-11-20 06:59:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 06:59:50,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:50,342 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 06:59:50,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:50,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2019-11-20 06:59:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-11-20 06:59:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 06:59:50,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:50,681 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 06:59:51,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:51,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 104 transitions. [2019-11-20 06:59:51,190 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2019-11-20 06:59:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-20 06:59:51,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:51,305 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 06:59:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:51,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 70 states and 106 transitions. [2019-11-20 06:59:51,530 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 106 transitions. [2019-11-20 06:59:51,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:59:51,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:51,578 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 06:59:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 71 states and 107 transitions. [2019-11-20 06:59:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2019-11-20 06:59:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:59:51,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:51,810 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 06:59:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 87 states and 140 transitions. [2019-11-20 06:59:52,729 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2019-11-20 06:59:52,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-20 06:59:52,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:52,794 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 06:59:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:52,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2019-11-20 06:59:52,815 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2019-11-20 06:59:52,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 06:59:52,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:52,910 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 06:59:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 94 states and 151 transitions. [2019-11-20 06:59:53,666 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 151 transitions. [2019-11-20 06:59:53,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:59:53,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:53,733 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 06:59:53,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:53,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 95 states and 152 transitions. [2019-11-20 06:59:53,863 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 152 transitions. [2019-11-20 06:59:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 06:59:53,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:53,916 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 06:59:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 104 states and 174 transitions. [2019-11-20 06:59:54,981 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 174 transitions. [2019-11-20 06:59:54,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 06:59:54,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:55,012 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 06:59:55,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 189 transitions. [2019-11-20 06:59:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2019-11-20 06:59:55,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 06:59:55,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:55,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 06:59:55,583 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 06:59:55,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:59:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 115 states and 199 transitions. [2019-11-20 06:59:55,932 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 199 transitions. [2019-11-20 06:59:55,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 06:59:55,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:59:55,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:59:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:59:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:59:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:59:56,307 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2019-11-20 06:59:56,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:59:56 ImpRootNode [2019-11-20 06:59:56,438 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:59:56,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:59:56,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:59:56,439 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:59:56,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:59:49" (3/4) ... [2019-11-20 06:59:56,442 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 06:59:56,622 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b26f52d3-313a-45fd-8865-aa056ed1f46c/bin/ukojak/witness.graphml [2019-11-20 06:59:56,623 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:59:56,625 INFO L168 Benchmark]: Toolchain (without parser) took 8763.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:56,625 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:59:56,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:56,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.49 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 06:59:56,635 INFO L168 Benchmark]: Boogie Preprocessor took 56.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:56,635 INFO L168 Benchmark]: RCFGBuilder took 1134.43 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: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:56,636 INFO L168 Benchmark]: CodeCheck took 6750.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:59:56,636 INFO L168 Benchmark]: Witness Printer took 184.12 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:59:56,638 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, 46 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.5s, OverallIterations: 14, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 176584 SDtfs, 66746 SDslu, 106444 SDs, 0 SdLazy, 109624 SolverSat, 28914 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2665 GetRequests, 2535 SyntacticMatches, 14 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5364 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 16167 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 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: 410]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L424] int pumpRunning = 0; [L425] int systemActive = 1; [L683] int cleanupTimeShifts = 4; [L806] int waterLevel = 1; [L807] int methaneLevelCritical = 0; [L756] int retValue_acc ; [L757] int tmp ; [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); [L763] tmp = valid_product() [L765] COND TRUE \read(tmp) [L581] int splverifierCounter ; [L582] int tmp ; [L583] int tmp___0 ; [L584] int tmp___1 ; [L585] int tmp___2 ; [L588] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L590] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L592] COND TRUE splverifierCounter < 4 [L598] tmp = __VERIFIER_nondet_int() [L600] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L602] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L824] COND TRUE waterLevel < 2 [L825] waterLevel = waterLevel + 1 [L602] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L608] tmp___0 = __VERIFIER_nondet_int() [L610] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L612] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L836] COND FALSE !(\read(methaneLevelCritical)) [L839] methaneLevelCritical = 1 [L612] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L618] tmp___2 = __VERIFIER_nondet_int() [L620] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L633] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L439] COND TRUE \read(systemActive) [L461] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L464] COND TRUE ! pumpRunning [L558] int retValue_acc ; [L559] int tmp ; [L560] int tmp___0 ; [L886] int retValue_acc ; [L889] COND FALSE !(waterLevel < 2) [L893] retValue_acc = 0 [L894] return (retValue_acc); [L564] tmp = isHighWaterSensorDry() [L566] COND FALSE !(\read(tmp)) [L569] tmp___0 = 1 [L571] retValue_acc = tmp___0 [L572] return (retValue_acc); [L466] tmp = isHighWaterLevel() [L468] COND TRUE \read(tmp) [L489] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L780] int tmp ; [L781] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L785] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L845] int retValue_acc ; [L848] retValue_acc = methaneLevelCritical [L849] return (retValue_acc); [L785] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L785] tmp = isMethaneLevelCritical() [L787] COND TRUE \read(tmp) [L513] int retValue_acc ; [L516] retValue_acc = pumpRunning [L517] return (retValue_acc); [L789] tmp___0 = isPumpRunning() [L791] COND TRUE \read(tmp___0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L410] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 573.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -183.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1134.43 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: 81.5 MB). Peak memory consumption was 81.5 MB. Max. memory is 11.5 GB. * CodeCheck took 6750.90 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 52.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -73.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 184.12 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: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...