./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/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 1610387a50b580a3de8e20f991e711af2b541458 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:50:49,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:50:49,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:50:49,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:50:49,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:50:49,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:50:49,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:50:49,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:50:49,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:50:49,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:50:49,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:50:49,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:50:49,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:50:49,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:50:49,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:50:49,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:50:49,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:50:49,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:50:49,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:50:49,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:50:49,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:50:49,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:50:49,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:50:49,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:50:49,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:50:49,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:50:49,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:50:49,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:50:49,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:50:49,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:50:49,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:50:49,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:50:49,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:50:49,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:50:49,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:50:49,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:50:49,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:50:49,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:50:49,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:50:49,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:50:49,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:50:49,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:50:49,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:50:49,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:50:49,254 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:50:49,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:50:49,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:50:49,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:50:49,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:50:49,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:50:49,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:50:49,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:50:49,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:50:49,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:50:49,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:50:49,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:50:49,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:50:49,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:50:49,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:50:49,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:50:49,257 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:50:49,258 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:50:49,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:50:49,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:50:49,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:50:49,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:50:49,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:50:49,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:50:49,259 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:50:49,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:50:49,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:50:49,260 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_c208c76c-b819-45ad-9809-fb79f18b45cf/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 -> 1610387a50b580a3de8e20f991e711af2b541458 [2019-11-26 02:50:49,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:50:49,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:50:49,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:50:49,425 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:50:49,427 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:50:49,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2019-11-26 02:50:49,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/data/02303a8a1/6f4d2d12105d49bc939238fdbc6cb891/FLAG3dfddd2be [2019-11-26 02:50:49,903 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:50:49,904 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c [2019-11-26 02:50:49,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/data/02303a8a1/6f4d2d12105d49bc939238fdbc6cb891/FLAG3dfddd2be [2019-11-26 02:50:49,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/data/02303a8a1/6f4d2d12105d49bc939238fdbc6cb891 [2019-11-26 02:50:49,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:50:49,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:50:49,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:49,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:50:49,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:50:49,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:49" (1/1) ... [2019-11-26 02:50:49,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6709f4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:49, skipping insertion in model container [2019-11-26 02:50:49,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:50:49" (1/1) ... [2019-11-26 02:50:49,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:50:50,016 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:50:50,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:50,453 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:50:50,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:50:50,557 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:50:50,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50 WrapperNode [2019-11-26 02:50:50,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:50:50,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:50,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:50:50,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:50:50,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:50:50,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:50:50,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:50:50,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:50:50,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... [2019-11-26 02:50:50,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:50:50,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:50:50,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:50:50,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:50:50,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:50:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:50:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:50:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-26 02:50:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-26 02:50:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-26 02:50:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-26 02:50:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-26 02:50:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-26 02:50:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-26 02:50:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-26 02:50:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-26 02:50:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-26 02:50:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-26 02:50:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-26 02:50:50,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:50:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-26 02:50:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-26 02:50:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:50:50,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:50:51,485 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:50:51,485 INFO L284 CfgBuilder]: Removed 36 assume(true) statements. [2019-11-26 02:50:51,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:51 BoogieIcfgContainer [2019-11-26 02:50:51,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:50:51,488 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:50:51,488 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:50:51,498 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:50:51,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:51" (1/1) ... [2019-11-26 02:50:51,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:50:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 55 states and 74 transitions. [2019-11-26 02:50:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2019-11-26 02:50:51,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:50:51,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:51,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2019-11-26 02:50:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2019-11-26 02:50:51,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:50:51,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:51,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:52,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:52,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2019-11-26 02:50:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2019-11-26 02:50:52,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:50:52,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 95 transitions. [2019-11-26 02:50:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2019-11-26 02:50:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:50:52,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:52,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:52,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 96 transitions. [2019-11-26 02:50:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-26 02:50:52,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:50:52,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:52,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:52,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2019-11-26 02:50:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2019-11-26 02:50:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-26 02:50:52,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 86 states and 135 transitions. [2019-11-26 02:50:53,340 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 135 transitions. [2019-11-26 02:50:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:50:53,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:53,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:53,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 87 states and 136 transitions. [2019-11-26 02:50:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 136 transitions. [2019-11-26 02:50:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-26 02:50:53,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:53,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 93 states and 150 transitions. [2019-11-26 02:50:53,675 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 150 transitions. [2019-11-26 02:50:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-26 02:50:53,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:50:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:53,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:50:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 151 transitions. [2019-11-26 02:50:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2019-11-26 02:50:53,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:50:53,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:50:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:50:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:50:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:50:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:50:54,385 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2019-11-26 02:50:54,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:50:54 ImpRootNode [2019-11-26 02:50:54,504 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:50:54,505 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:50:54,505 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:50:54,505 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:50:54,506 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:50:51" (3/4) ... [2019-11-26 02:50:54,507 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:50:54,680 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c208c76c-b819-45ad-9809-fb79f18b45cf/bin/ukojak/witness.graphml [2019-11-26 02:50:54,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:50:54,682 INFO L168 Benchmark]: Toolchain (without parser) took 4743.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 942.0 MB in the beginning and 1.2 GB in the end (delta: -219.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:54,683 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:54,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:54,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.55 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:54,684 INFO L168 Benchmark]: Boogie Preprocessor took 31.06 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:54,685 INFO L168 Benchmark]: RCFGBuilder took 847.54 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:54,686 INFO L168 Benchmark]: CodeCheck took 3016.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:54,686 INFO L168 Benchmark]: Witness Printer took 175.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:54,689 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 11594 SDtfs, 3596 SDslu, 6056 SDs, 0 SdLazy, 4720 SolverSat, 1560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1634 GetRequests, 1580 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 11721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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: 346]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L755] int waterLevel = 1; [L756] int methaneLevelCritical = 0; [L844] int cleanupTimeShifts = 4; [L558] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L917] int retValue_acc ; [L918] int tmp ; [L380] int retValue_acc ; [L383] retValue_acc = 1 [L384] return (retValue_acc); [L924] tmp = valid_product() [L926] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L55] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L773] COND TRUE waterLevel < 2 [L774] waterLevel = waterLevel + 1 [L67] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___2)) [L89] tmp___1 = __VERIFIER_nondet_int() [L91] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L294] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L301] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L100] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L128] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L135] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L309] int tmp ; [L310] int tmp___0 ; [L311] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L794] int retValue_acc ; [L797] retValue_acc = methaneLevelCritical [L798] return (retValue_acc); [L315] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L315] tmp = isMethaneLevelCritical() [L317] COND FALSE !(\read(tmp)) [L826] int retValue_acc ; [L829] retValue_acc = waterLevel [L830] return (retValue_acc); [L321] tmp___0 = getWaterLevel() [L323] COND TRUE tmp___0 == 2 [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); [L325] tmp___1 = isPumpRunning() [L327] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L346] __VERIFIER_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, 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 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.55 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.06 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: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 847.54 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: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * CodeCheck took 3016.35 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 175.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...