./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.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_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/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 35186e76d3512165346b803182d73298e94993df ............................................................................................................................................................................................................................................................................................................. 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 10:17:47,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:47,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:47,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:47,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:47,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:47,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:47,303 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:47,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:47,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:47,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:47,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:47,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:47,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:47,308 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:47,309 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:47,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:47,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:47,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:47,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:47,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:47,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:47,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:47,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:47,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:47,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:47,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:47,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:47,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:47,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:47,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:47,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:47,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:47,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:47,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:47,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:47,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:47,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:47,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:47,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:47,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:47,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:17:47,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:47,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:47,342 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:47,342 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:47,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:47,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:47,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:47,343 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:47,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:47,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:47,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:47,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:47,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:47,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:47,345 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:47,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:47,345 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:47,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:47,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:47,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:47,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:47,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:47,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:47,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:47,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:47,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:47,348 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:47,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:47,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:47,349 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_b10992a4-9cc2-40ef-8e93-bc345742ed13/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 -> 35186e76d3512165346b803182d73298e94993df [2019-10-22 10:17:47,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:47,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:47,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:47,398 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:47,399 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:47,399 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2019-10-22 10:17:47,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/data/332dcfa77/118b80a52172436ab4b031591f92ae32/FLAG90c27bb51 [2019-10-22 10:17:47,868 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:47,868 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/sv-benchmarks/c/product-lines/minepump_spec3_product44.cil.c [2019-10-22 10:17:47,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/data/332dcfa77/118b80a52172436ab4b031591f92ae32/FLAG90c27bb51 [2019-10-22 10:17:48,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/data/332dcfa77/118b80a52172436ab4b031591f92ae32 [2019-10-22 10:17:48,253 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:48,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:48,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:48,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:48,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:48,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d988179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48, skipping insertion in model container [2019-10-22 10:17:48,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:48,312 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:48,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:48,647 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:48,741 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:48,769 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:48,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48 WrapperNode [2019-10-22 10:17:48,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:48,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:48,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:48,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:48,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:48,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:48,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:48,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:48,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... [2019-10-22 10:17:48,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:48,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:48,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:48,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:48,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/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 10:17:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:17:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-22 10:17:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-22 10:17:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-22 10:17:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-22 10:17:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-22 10:17:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-22 10:17:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-22 10:17:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-22 10:17:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-22 10:17:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-22 10:17:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:17:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-22 10:17:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-22 10:17:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:49,670 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:49,671 INFO L284 CfgBuilder]: Removed 46 assume(true) statements. [2019-10-22 10:17:49,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:49 BoogieIcfgContainer [2019-10-22 10:17:49,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:49,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:49,672 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:49,682 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:49,682 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:49" (1/1) ... [2019-10-22 10:17:49,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:49,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2019-10-22 10:17:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2019-10-22 10:17:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:17:49,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:49,946 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 10:17:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:49,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2019-10-22 10:17:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2019-10-22 10:17:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:17:49,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:50,092 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 10:17:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:50,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2019-10-22 10:17:50,122 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2019-10-22 10:17:50,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:17:50,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:50,255 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 10:17:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 99 transitions. [2019-10-22 10:17:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2019-10-22 10:17:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:17:50,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:51,332 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-10-22 10:17:51,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:51 ImpRootNode [2019-10-22 10:17:51,416 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:51,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:51,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:51,421 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:51,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:49" (3/4) ... [2019-10-22 10:17:51,428 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:17:51,516 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b10992a4-9cc2-40ef-8e93-bc345742ed13/bin/ukojak/witness.graphml [2019-10-22 10:17:51,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:51,518 INFO L168 Benchmark]: Toolchain (without parser) took 3263.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -197.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,518 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:51,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 514.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.27 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,519 INFO L168 Benchmark]: Boogie Preprocessor took 25.52 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 10:17:51,520 INFO L168 Benchmark]: RCFGBuilder took 831.00 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: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,520 INFO L168 Benchmark]: CodeCheck took 1748.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -129.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:51,520 INFO L168 Benchmark]: Witness Printer took 95.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:51,528 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: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 200 SDtfs, 52 SDslu, 92 SDs, 0 SdLazy, 84 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 2190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 318]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L185] int waterLevel = 1; [L186] int methaneLevelCritical = 0; [L492] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L693] int pumpRunning = 0; [L694] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; [L305] int retValue_acc ; [L308] retValue_acc = 1 [L309] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L887] int splverifierCounter ; [L888] int tmp ; [L889] int tmp___0 ; [L890] int tmp___1 ; [L891] int tmp___2 ; [L894] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L896] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE splverifierCounter < 4 [L904] tmp = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L908] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L203] COND TRUE waterLevel < 2 [L204] waterLevel = waterLevel + 1 [L908] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L914] tmp___0 = __VERIFIER_nondet_int() [L916] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L924] tmp___2 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___2)) [L932] tmp___1 = __VERIFIER_nondet_int() [L934] COND TRUE \read(tmp___1) [L866] COND FALSE !(\read(pumpRunning)) [L873] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L943] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L700] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L707] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L224] int retValue_acc ; [L227] retValue_acc = methaneLevelCritical [L228] return (retValue_acc); [L155] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L256] int retValue_acc ; [L259] retValue_acc = waterLevel [L260] return (retValue_acc); [L161] tmp___0 = getWaterLevel() [L163] COND TRUE tmp___0 == 2 [L799] int retValue_acc ; [L802] retValue_acc = pumpRunning [L803] return (retValue_acc); [L165] tmp___1 = isPumpRunning() [L167] 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] [L318] __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 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 514.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.27 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 831.00 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: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1748.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 81.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -129.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 95.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...