./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/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 fa84680efe228141f2f1a8a0259e3b287bc28d50 ............................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-09 13:02:09,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:02:09,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:02:09,537 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:02:09,537 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:02:09,537 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:02:09,538 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:02:09,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:02:09,540 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:02:09,540 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:02:09,541 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:02:09,541 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:02:09,541 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:02:09,542 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:02:09,542 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:02:09,543 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:02:09,543 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:02:09,544 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:02:09,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:02:09,546 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:02:09,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:02:09,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:02:09,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:02:09,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:02:09,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:02:09,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:02:09,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:02:09,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:02:09,550 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:02:09,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:02:09,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:02:09,551 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:02:09,551 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:02:09,551 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:02:09,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:02:09,552 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:02:09,553 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 13:02:09,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:02:09,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:02:09,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:02:09,561 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 13:02:09,561 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 13:02:09,561 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 13:02:09,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:02:09,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:02:09,563 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:02:09,563 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 13:02:09,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:02:09,563 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 13:02:09,563 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 13:02:09,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:02:09,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:02:09,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 13:02:09,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:02:09,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:02:09,564 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:02:09,564 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 13:02:09,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:02:09,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:02:09,564 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/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 -> fa84680efe228141f2f1a8a0259e3b287bc28d50 [2018-12-09 13:02:09,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:02:09,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:02:09,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:02:09,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:02:09,596 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:02:09,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-12-09 13:02:09,640 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/data/c71501154/f30e97aca3e248039b56dada74f28505/FLAGb0f307409 [2018-12-09 13:02:10,012 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:02:10,012 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/sv-benchmarks/c/product-lines/minepump_spec3_product07_false-unreach-call_false-termination.cil.c [2018-12-09 13:02:10,018 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/data/c71501154/f30e97aca3e248039b56dada74f28505/FLAGb0f307409 [2018-12-09 13:02:10,026 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/data/c71501154/f30e97aca3e248039b56dada74f28505 [2018-12-09 13:02:10,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:02:10,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:02:10,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:02:10,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:02:10,031 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:02:10,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10, skipping insertion in model container [2018-12-09 13:02:10,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:02:10,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:02:10,216 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:02:10,261 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:02:10,307 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:02:10,323 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:02:10,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10 WrapperNode [2018-12-09 13:02:10,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:02:10,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:02:10,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:02:10,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:02:10,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:02:10,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:02:10,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:02:10,357 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:02:10,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:02:10,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:02:10,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:02:10,376 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:02:10,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:02:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/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 [2018-12-09 13:02:10,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:02:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 13:02:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 13:02:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 13:02:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 13:02:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 13:02:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 13:02:10,417 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 13:02:10,417 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 13:02:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 13:02:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 13:02:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 13:02:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 13:02:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 13:02:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 13:02:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 13:02:10,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:02:10,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:02:10,803 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:02:10,803 INFO L280 CfgBuilder]: Removed 34 assue(true) statements. [2018-12-09 13:02:10,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:02:10 BoogieIcfgContainer [2018-12-09 13:02:10,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:02:10,804 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 13:02:10,804 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 13:02:10,813 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 13:02:10,814 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:02:10" (1/1) ... [2018-12-09 13:02:10,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:02:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2018-12-09 13:02:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2018-12-09 13:02:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 13:02:10,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 57 states and 75 transitions. [2018-12-09 13:02:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-09 13:02:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 13:02:10,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2018-12-09 13:02:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2018-12-09 13:02:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 13:02:11,043 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2018-12-09 13:02:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2018-12-09 13:02:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 13:02:11,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 86 states and 138 transitions. [2018-12-09 13:02:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 138 transitions. [2018-12-09 13:02:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 13:02:11,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 87 states and 139 transitions. [2018-12-09 13:02:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 139 transitions. [2018-12-09 13:02:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 13:02:11,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2018-12-09 13:02:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2018-12-09 13:02:11,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 13:02:11,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 89 states and 141 transitions. [2018-12-09 13:02:11,559 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 141 transitions. [2018-12-09 13:02:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 13:02:11,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 13:02:11,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:11,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 156 transitions. [2018-12-09 13:02:11,794 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2018-12-09 13:02:11,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 13:02:11,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:02:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:02:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:02:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:02:12,003 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-12-09 13:02:12,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:02:12 ImpRootNode [2018-12-09 13:02:12,085 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 13:02:12,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:02:12,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:02:12,086 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:02:12,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:02:10" (3/4) ... [2018-12-09 13:02:12,088 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 13:02:12,159 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f05ae6d4-5897-4bcb-a0df-7aeb1bd1361e/bin-2019/ukojak/witness.graphml [2018-12-09 13:02:12,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:02:12,159 INFO L168 Benchmark]: Toolchain (without parser) took 2131.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -67.7 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:12,161 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:02:12,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:12,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:12,161 INFO L168 Benchmark]: Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:12,162 INFO L168 Benchmark]: RCFGBuilder took 428.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:12,162 INFO L168 Benchmark]: CodeCheck took 1281.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:02:12,162 INFO L168 Benchmark]: Witness Printer took 73.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:12,164 INFO L336 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, 73 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6856 SDtfs, 2464 SDslu, 4076 SDs, 0 SdLazy, 3260 SolverSat, 836 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1480 GetRequests, 1434 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 9582 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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: [L87] int cleanupTimeShifts = 4; [L357] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L596] int pumpRunning = 0; [L597] int systemActive = 1; [L811] int waterLevel = 1; [L812] int methaneLevelCritical = 0; [L165] int retValue_acc ; [L166] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L172] tmp = valid_product() [L174] COND TRUE \read(tmp) [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L754] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L756] COND TRUE splverifierCounter < 4 [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L766] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L829] COND TRUE waterLevel < 2 [L830] waterLevel = waterLevel + 1 [L766] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND FALSE !(\read(tmp___2)) [L788] tmp___1 = __VERIFIER_nondet_int() [L790] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L739] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L799] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L603] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L610] COND FALSE !(\read(systemActive)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L558] int tmp ; [L559] int tmp___0 ; [L560] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L564] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L850] int retValue_acc ; [L853] retValue_acc = methaneLevelCritical [L854] return (retValue_acc); [L564] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L564] tmp = isMethaneLevelCritical() [L566] COND FALSE !(\read(tmp)) [L882] int retValue_acc ; [L885] retValue_acc = waterLevel [L886] return (retValue_acc); [L570] tmp___0 = getWaterLevel() [L572] COND TRUE tmp___0 == 2 [L684] int retValue_acc ; [L687] retValue_acc = pumpRunning [L688] return (retValue_acc); [L574] tmp___1 = isPumpRunning() [L576] 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] [L44] __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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 428.11 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1281.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -18.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 73.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...