./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/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 c762bce629f36cf7371b941fff55f6d65cb160f7 .................................................................................................................................................................................................................................................................................................................................................. 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-cad4683 [2019-10-22 10:13:58,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:58,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:58,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:58,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:58,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:58,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:58,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:58,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:58,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:58,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:58,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:58,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:58,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:58,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:58,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:58,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:58,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:58,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:58,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:58,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:58,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:58,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:58,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:58,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:58,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:58,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:58,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:58,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:58,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:58,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:58,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:58,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:58,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:58,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:58,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:58,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:58,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:58,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:58,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:58,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:58,926 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:58,935 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:58,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:58,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:58,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:58,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:58,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:58,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:58,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:58,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:58,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:58,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:58,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:58,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:58,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:58,941 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:58,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:58,941 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:58,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:58,941 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:58,942 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:58,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:58,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:58,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:58,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:58,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:58,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:58,943 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:58,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:58,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:58,943 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/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2019-10-22 10:13:58,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:58,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:58,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:58,988 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:58,988 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:58,989 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-10-22 10:13:59,034 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/data/aea0de3d3/a38b320de546498c87c9908b3ff46cc8/FLAG1fefe3425 [2019-10-22 10:13:59,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:59,513 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-10-22 10:13:59,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/data/aea0de3d3/a38b320de546498c87c9908b3ff46cc8/FLAG1fefe3425 [2019-10-22 10:13:59,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/data/aea0de3d3/a38b320de546498c87c9908b3ff46cc8 [2019-10-22 10:13:59,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:59,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:59,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:59,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:59,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:59,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:59" (1/1) ... [2019-10-22 10:13:59,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433af1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:59, skipping insertion in model container [2019-10-22 10:13:59,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:59" (1/1) ... [2019-10-22 10:13:59,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:59,900 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:00,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:00,200 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:00,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:00,294 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:00,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00 WrapperNode [2019-10-22 10:14:00,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:00,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:00,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:00,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:00,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:00,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:00,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:00,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:00,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:00,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:00,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:00,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:00,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/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 [2019-10-22 10:14:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:14:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:14:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:14:00,438 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:14:00,438 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:14:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:14:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:14:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:14:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:14:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:14:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:14:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:14:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:14:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:14:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:01,282 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:01,282 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-10-22 10:14:01,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:01 BoogieIcfgContainer [2019-10-22 10:14:01,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:01,284 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:01,284 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:01,296 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:01,296 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:01,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2019-10-22 10:14:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2019-10-22 10:14:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:14:01,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:01,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-10-22 10:14:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-10-22 10:14:01,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:14:01,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:01,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2019-10-22 10:14:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-10-22 10:14:01,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:14:01,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:02,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2019-10-22 10:14:02,105 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2019-10-22 10:14:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:14:02,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:02,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2019-10-22 10:14:02,220 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2019-10-22 10:14:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:02,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 128 transitions. [2019-10-22 10:14:02,749 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 128 transitions. [2019-10-22 10:14:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:02,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:04,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 91 states and 169 transitions. [2019-10-22 10:14:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 169 transitions. [2019-10-22 10:14:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:14:04,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:04,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 93 states and 173 transitions. [2019-10-22 10:14:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2019-10-22 10:14:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:14:04,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-22 10:14:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 95 states and 175 transitions. [2019-10-22 10:14:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2019-10-22 10:14:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:14:04,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:05,537 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2019-10-22 10:14:05,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:05 ImpRootNode [2019-10-22 10:14:05,621 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:05,622 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:05,622 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:05,622 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:05,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:01" (3/4) ... [2019-10-22 10:14:05,625 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:14:05,747 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4298747-c452-4e73-970e-b296cd1ac67f/bin/ukojak/witness.graphml [2019-10-22 10:14:05,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:05,749 INFO L168 Benchmark]: Toolchain (without parser) took 5908.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 949.9 MB in the beginning and 884.6 MB in the end (delta: 65.3 MB). Peak memory consumption was 257.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:05,750 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:05,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:05,750 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.35 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. [2019-10-22 10:14:05,751 INFO L168 Benchmark]: Boogie Preprocessor took 38.01 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. [2019-10-22 10:14:05,751 INFO L168 Benchmark]: RCFGBuilder took 895.21 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:05,751 INFO L168 Benchmark]: CodeCheck took 4337.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.0 GB in the beginning and 899.1 MB in the end (delta: 139.1 MB). Peak memory consumption was 193.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:05,752 INFO L168 Benchmark]: Witness Printer took 125.83 ms. Allocated memory is still 1.2 GB. Free memory was 899.1 MB in the beginning and 884.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:05,754 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, 49 locations, 1 error locations. Result: UNSAFE, OverallTime: 4.2s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 6900 SDtfs, 2132 SDslu, 4268 SDs, 0 SdLazy, 3580 SolverSat, 892 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1660 GetRequests, 1570 SyntacticMatches, 10 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2108 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 9742 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 2/2 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: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L327] COND TRUE waterLevel < 2 [L328] waterLevel = waterLevel + 1 [L263] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L233] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L296] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] COND TRUE \read(systemActive) [L133] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L151] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); [L858] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); [L864] tmp___0 = getWaterLevel() [L866] COND TRUE tmp___0 == 2 [L185] int retValue_acc ; [L188] retValue_acc = pumpRunning [L189] return (retValue_acc); [L868] tmp___1 = isPumpRunning() [L870] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 453.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.35 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 38.01 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 895.21 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: 76.1 MB). Peak memory consumption was 76.1 MB. Max. memory is 11.5 GB. * CodeCheck took 4337.30 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.0 MB). Free memory was 1.0 GB in the beginning and 899.1 MB in the end (delta: 139.1 MB). Peak memory consumption was 193.1 MB. Max. memory is 11.5 GB. * Witness Printer took 125.83 ms. Allocated memory is still 1.2 GB. Free memory was 899.1 MB in the beginning and 884.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...